Info about SpaceChem: 63 Corvi:

Official game description:
Explore the past with SpaceChem’s first DLC pack, “SpaceChem: 63 Corvi”. Follow a young Bruce Novak, the future CEO of SpaceChem, and his team of engineers on a mission to collapse the star 63 Corvi into a collapsar gateway and expand the human empire. Gameplay features a new mechanic, the “quantum junction”, which takes ResearchNet’s quantum tunnel to the next level.  
Key features:
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*   Includes seven new puzzles using the new “quantum junction” mechanic, including three pipelines.  
*   Learn about the past of the CEO of SpaceChem with a new installment of the exciting story

Release date: Jul 22, 2011

Categories: Puzzle Solving, Programming Logic, Automation Game, Zachtronics-style Puzzle Design, Engineering Simulation, Open-Ended Puzzle Freedom, Science Fiction


- Hardware Profile: No data
Feature extractions:
- Community Price:
  - Community fair range: $9.99 - $14.99
  - Reasoning: The reviews are mostly about DLC and do not directly state a base-game price. One reviewer is willing to recommend the puzzle content at full price, another says it is worth picking up for those who still enjoy the base game, while another is unsure even at a low price. This suggests the community values the core puzzle design but is somewhat price-sensitive. Since the base game is the larger product, a fair base-game price likely falls in the mid-tier indie range rather than a deep bargain price. Confidence is low because the evidence is indirect and mostly DLC-focused.
- Playtime Metrics:
  - Game completion: 4.7h
  - Story completion: N/A
  - Session length: N/A
  - Endgame: N/A
  - Reasoning: The three completion reports directly describe finishing the SpaceChem: 63 Corvi DLC, with quoted times of 8 hours, 4 hours, and 2 hours. Averaging these estimates gives approximately 4.7 hours for gameCompletion. No review provides a separate story-only completion time, session length, or post-completion endgame time for this DLC, so those metrics are null.
- Time-to-fun: No data
- Player Archetypes:
  - SpaceChem Devotee (buy)
    - Motivation: Continuing the SpaceChem experience with more puzzles.
    - Playstyle: Play additional campaign-style content immediately after or alongside the main game.
    - Experience: familiar
    - Purchase stance: buy
    - Labels: N/A
    - Reference games: SpaceChem
  - Value-Conscious Puzzle Fan (deep sale)
    - Motivation: Getting inexpensive extra puzzles from a game they already enjoy.
    - Playstyle: Wait for sales or deep discounts, then buy and play the added puzzles.
    - Experience: familiar
    - Purchase stance: deep sale
    - Labels: N/A
    - Reference games: SpaceChem
  - Achievement Completionist (sale)
    - Motivation: Unlocking achievements and completing the game's checklist.
    - Playstyle: Rush the campaign for the achievement, often on sale, then stop playing.
    - Experience: familiar
    - Purchase stance: sale
    - Labels: N/A
    - Reference games: N/A
  - Veteran Puzzle Solver (buy)
    - Motivation: Solving creative puzzle assignments and comparing them to the main game.
    - Playstyle: Experiment with solutions, assess difficulty and mechanics, and complete the DLC over several hours.
    - Experience: veteran
    - Purchase stance: buy
    - Labels: N/A
    - Reference games: N/A


Below are summaries of things people say about the game per category.
Each point is assigned a weight that represents how often it is mentioned across all reviews.
What players like:
- Good value for low price (weight 0.81): Multiple reviewers highlight that the DLC is very cheap and offers substantial content, making it a no-brainer for fans of the base game. The price-to-content ratio is frequently praised.
- New quantum tunneling mechanic well received (weight 0.63): Reviewers find the new quantum teleportation mechanic interesting and unique, making the campaign feel fresh rather than rehashed. It adds a novel way to solve puzzles by teleporting molecules and breaking connections.
- Moderate difficulty compared to base (weight 0.5): The expansion is generally less difficult than the late main game puzzles, with levels roughly as hard as mid-to-late game. Some reviewers note it is not overly demanding.
- ResearchNet levels praised for creativity (weight 0.41): The ResearchNet levels include many new ideas and surprised players positively with their quality. They offer open-ended mechanics that allow for creative solutions beyond known concepts.
- New levels are fun and satisfying (weight 0.41): The new puzzles provide a good bit of fun and are satisfying to solve, even if they are not overly difficult. Players enjoy the sense of accomplishment from beating them.
- Adds new planet with seven levels (weight 0.3): The DLC introduces a new planet containing seven new puzzles of moderate difficulty. These levels focus on the new mechanics and provide additional content.
- Provides variety and extra entertainment (weight 0.3): The expansion offers a pleasant extra entertainment for players who want to delve deeper, providing variety from the main game. It is recommendable for those seeking more content.
- Open-ended gameplay with creative solutions (weight 0.3): The base mechanics are open-ended enough that players can devise their own creative solutions. There is no wrong way to play, and Rube Goldberg-style solutions work.
- Satisfying to see solutions work (weight 0.28): Building and troubleshooting solutions to see them come to life is highly satisfying. Watching a working solution in action gives a great sense of accomplishment.
- New barrier mechanic requires workaround (weight 0.17): A new 'barrier' mechanic is introduced, which players must work around when solving puzzles. This adds a layer of complexity to the quantum tunneling challenges.
- Consistent with base game structure (weight 0.17): The campaign stays consistent with the base game's chapters, mixing research and production assignments. This familiarity appeals to fans of the original.
- Includes pipelines for individual atoms (weight 0.16): The expansion features pipelines that can only move individual atoms, adding a new logistical element to puzzle solving. This mechanic is tied to the quantum tunneling theme.
- Reveals additional lore (weight 0.16): The DLC reveals some of the game's lore, expanding the story for players interested in the narrative. This adds depth to the overall experience.
- Penultimate levels have interesting difficulty (weight 0.16): The three penultimate levels of the main story create difficulty by fixing reactor positions in multi-reactor problems. This design choice adds an interesting challenge.
- Level 6 requires strategic assembly (weight 0.16): Level 6 introduces probabilities of different connections, requiring players to use only the left side to break down connections and then assemble a new composition on the right. This adds a unique puzzle twist.
- Takes a lifetime to master (weight 0.15): The game has deep mechanics that take a long time to fully master. This provides longevity for dedicated players.

Common complaints:
- DLC lacks FlipFlops (weight 0.53): Players miss the FlipFlop mechanic from the base game, and its absence makes puzzles feel like a step backwards. Working without FlipFlops is frustrating and reduces enjoyment.
- Tedious teleport mechanic (weight 0.53): The new reactor forces players to teleport particles one at a time, requiring constant destruction and rebuilding of molecules. This makes complex molecule assembly feel like a chore and gets old fast.
- DLC is too easy (weight 0.51): The DLC is easier than the original, with new levels not as difficult as the end of the main campaign. The final level is also on the easy side and provides underwhelming rewards.
- One-by-one gimmick too simple (weight 0.31): The gimmick of moving atoms one-by-one makes puzzles quite simple, and once the basic technique is learned, all puzzles feel solved. This reduces challenge and engagement.
- Story is lacking (weight 0.31): The story part is not rich, fails to reveal Bruce Novak or explain the aliens, and adds nothing new. It doesn't seem as if there was anything actually new to learn from it.
- Little added to base game (weight 0.31): The DLC adds very little to the base game, even considering the low price, and doesn't justify being a separate purchase. It offers minimal new content or value.
- Barrier adds little complexity (weight 0.3): The barrier inside machines does not create particularly interesting complexity. It is seen as an uninteresting addition that fails to enhance puzzles.
- Short duration (weight 0.3): The DLC is very short, offering only 7 levels that are slightly less interesting than average ResearchNet levels. This contributes to a lack of value.
- Space constraints are main struggle (weight 0.3): The space constraints make the real struggle of the DLC, as players have half a reactor space. This limits puzzle design and contributes to tedium.
- Doesn't integrate with base game (weight 0.18): The DLC feels tacked-on as it doesn't integrate with the existing level selection and story dialogs at all. This makes it feel disconnected from the main experience.
- Swap mechanic uninteresting (weight 0.18): The Swap mechanic is not very interesting because it is mandatory for moving atoms across the barrier. It feels like a forced constraint rather than a creative tool.
- Teleporter less interesting than expected (weight 0.18): The teleporter mechanic is less interesting than it initially sounds, since there is only one per reactor and it must be used to cross the barrier. This limits creative freedom.
- Prequel adds nothing new (weight 0.18): The DLC campaign is a prequel but doesn't add anything other than familiar names, and there's no boss battle. It fails to expand the game's lore or challenge.
- Modular reactors disappointing (weight 0.17): Each reactor is very modular since inputs can't be heavily affected by other reactors, which is rather disappointing. This reduces interconnections and complexity.
- Unappealing to non-fans (weight 0.17): There is little in this DLC which would attract those who didn't enjoy the base game. It fails to bring in new players or offer broad appeal.
- Less enjoyable than SpaceChem (weight 0.17): Players didn't enjoy it as much as most of SpaceChem, indicating a drop in quality or engagement. This overall sentiment reflects disappointment.

Gameplay feedback:
- New reactor introduces teleportation mechanic (weight 0.89): The DLC features a new reactor that allows teleporting a molecule from one point to another while breaking connections, and forces teleporting particles one at a time from input to output, requiring destroying and rebuilding molecules.
- Barrier inside machines adds complexity (weight 0.67): The DLC adds complexity with a barrier inside machines, which prevents atoms from crossing and requires working around it.
- Teleporters transport single atoms (weight 0.61): Teleporters can only transport single atoms, requiring assembly to be done in the right half of the reactor before the corresponding output.
- Quantum union and teleportation mechanics (weight 0.51): The DLC introduces a new mechanic known as quantum union and quantum teleportation, which adds new puzzle elements.
- FlipFlops absent in DLC levels (weight 0.5): FlipFlops are a mechanic from the main game that DLC levels lack, and the teleport mechanic removes the flip flop mechanic.
- Swap feature swaps atom positions (weight 0.5): The DLC adds puzzles using a Swap feature that swaps the positions of two atoms, with a tutorial in ResearchNet.
- Only 7 new levels (weight 0.48): The DLC contains only 7 new levels, which is a small amount of content.
- Reactor divided, molecules cannot move (weight 0.39): The reactor is divided into two parts and molecules cannot be moved through a wall, adding spatial constraints.
- DLC adds extra missions and levels (weight 0.37): The DLC adds extra missions and levels, providing additional content.
- Difficulty spike in DLC campaign (weight 0.27): The first two assignments are easy and then the difficulty spikes up, with levels roughly as difficult as mid-to-late game levels.
- ResearchNet offers 300 free levels (weight 0.26): ResearchNet offers 300 free levels for players who want more content.
- DLC adds new mechanic (weight 0.16): The DLC adds a new mechanic, expanding the puzzle possibilities.
- DLC campaign is a prequel (weight 0.16): The DLC campaign is a prequel following the younger version of the CEO of SpaceChem.
- Levels are distracting, less challenging (weight 0.16): The levels are more of a distraction than the challenge that the main game's levels provide.
- Main story has multi-reactor problems (weight 0.15): The main story features multi-reactor problems where reactor positions are fixed.
- Final level requires 40 outputs (weight 0.15): The final level of the DLC requires providing 40 outputs, which is a significant challenge.
- Bonds broken when atoms swapped (weight 0.15): Any bonds between the swapped atom and other atoms are broken, adding a layer of complexity.
- Level 6 involves probability and assembly (weight 0.14): Level 6 involves probabilities of different connections and requires using the left side to break down and the right side to assemble.
- No defense mission, execution level end (weight 0.14): There is no defense mission, just an execution type level at the end.
- Single achievement for beating campaign (weight 0.13): There's a single achievement related to beating the campaign.

Performance notes:
No performancepoints

Recommendations:
- Recommended for Base Game Fans (weight 0.97): Many reviewers consistently state that the DLC is a must-buy for those who enjoyed the base game, as it offers more of the same experience. However, they also note that if you didn't like the base game, this DLC won't change your mind.
- Good Value for Price (weight 0.7): Multiple reviewers highlight that the DLC is reasonably priced and worth the money for the additional content. Some even say they'd be happy to pay more for the extra levels.
- For Those Wanting More Puzzles (weight 0.3): Reviewers recommend the DLC for players who found the original game too short or want additional SpaceChem levels. It provides a satisfying expansion for puzzle enthusiasts.
- Alternative Free Content Exists (weight 0.28): A few reviewers point out that the base game's ResearchNet offers 300 free levels, making the DLC unnecessary for some. They suggest exploring ResearchNet or the online community instead of buying the DLC.
- Only for SpaceChem Enthusiasts (weight 0.27): Some reviewers advise buying the DLC only if you really like SpaceChem, as it mainly offers a few new puzzles. It's not for casual players.
- Check Swap Tutorial First (weight 0.14): One reviewer suggests checking the Swap tutorial on the first page of ResearchNet in the base game before purchasing the DLC. This helps players understand the mechanics used in the DLC.

Other player notes:
- DLC Includes Seven Levels (weight 0.53): The DLC adds a campaign with seven new levels or assignments. This is consistently mentioned across several clusters.
- DLC for SpaceChem (weight 0.53): The DLC is specifically for the game SpaceChem, known as 63 Corvi. It expands the original game's content.
- Adds New Planet and Story (weight 0.4): The DLC introduces a new planet, 63 Corvi, and narrates the origin of its space colony and human expansion. It explores new story territory.
- Single Campaign Achievement (weight 0.27): There is one achievement for beating the campaign. Another achievement is obtainable by buying the DLC.
- Active Online Community (weight 0.27): The online community for SpaceChem is still pretty active. This includes tournaments and community engagement.
- Free Levels via ResearchNet (weight 0.16): ResearchNet offers 300 free levels for players. This provides additional content beyond the DLC.
- Limited Number of Assignments (weight 0.15): Some players feel there aren't a lot of assignments in the DLC. This suggests the content may be sparse.
- Frequent Deep Discounts (weight 0.15): The DLC often gets deep discounts. This makes it an attractive purchase for budget-conscious players.
- High Playtime from Original (weight 0.15): The original game has given players so much play time. This indicates strong replay value and engagement.
- Historical Summer Sale Prize (weight 0.14): This DLC was one of the prizes in the 2011 summer sale event. It has historical significance for early adopters.

Emotions:
- Satisfaction (weight 0.25): Players feel satisfied because the DLC offers good content at a low price, with creative assignments and extra missions that reveal lore. Solving difficult puzzles and seeing working solutions also contributes to this satisfaction.
- Disappointment (weight 0.13): Disappointment arises because the 63 Corvi DLC levels are less interesting than average ResearchNet levels and feel tacked-on, not integrating with existing level selection or story dialogs. The modular reactors and teleporter mechanic are also less interesting than expected.
- Frustration (weight 0.09): Frustration stems from working without FlipFlops after becoming used to them, as the teleport mechanic adds constraints and removes the flip flop mechanic. Space constraints further contribute to this frustration.
- Interest (weight 0.09): Players are interested in the new mechanic, finding it interesting even if not mind-blowing, and enjoy the variety and challenge of quantum tunneling puzzles.
- Enjoyment (weight 0.06): Enjoyment comes from finding better solutions in the main game and appreciating the DLC as more of the base game for those who liked it.
- Underwhelmed (weight 0.03): Players feel underwhelmed because the final level is framed as a defense mission but turns out to be just a regular mission.
- Positive surprise (weight 0.03): Positive surprise is caused by the unexpected quality of the ResearchNet levels.
- Tedium (weight 0.03): Tedium is caused by DLC puzzles requiring players to grab atoms one by one and teleport them to the other side, which feels like a chore.
- Gladness (weight 0.03): Gladness stems from the main game being a steal for its cost, making players happy to give more money to Zachtronics.
- Enthusiasm (weight 0.03): Enthusiasm is driven by the ability to easily recommend the game for full price.
- Boredom (weight 0.03): Boredom arises because the Swap mechanic is not very interesting.
- Initial disappointment (weight 0.03): Initial disappointment occurs because players did not like the DLC on their first playthrough.
- Pleasure (weight 0.03): Pleasure comes from finishing a level, especially when comparing to tournament players who finish ridiculous levels with minimal stats.
- Praise (weight 0.03): Praise is given for the idea of offering more content at a reasonable price.
- Annoyance (weight 0.03): Annoyance is caused by the absence of the flip-flop mechanic.
- Accomplishment (weight 0.03): Accomplishment is felt from beating both the base game and the campaign.
- Excitement (weight 0.03): Excitement is generated by the new quantum tunneling mechanic that makes the campaign feel unique.}