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Review evidence
Full voice acting and beautiful character art shine, and multiple storylines offer depth, but endings are hard to unlock, the fragmented story confuses, and heavy grinding makes gameplay repetitive.
Full voice acting praised: Players consistently highlight the full Japanese voice acting, especially for the female lead and multiple female characters. This feature is seen as a major strength of the game.
Beautiful character art: The character art is repeatedly described as beautiful, high quality, and stunning. Many reviewers note the excellent visual presentation of the characters.
Multiple storylines and endings: The game offers multiple storylines and endings, which adds replay value and depth. Reviewers appreciate the branching narrative structure.
High-quality adult content: The adult content is praised for its high quality, abundance, and usability, including costume changes. This is a key selling point for many players.
Great art style: The art style is consistently praised as great, beautiful, and attractive. The graphical style is a standout feature for many players.
Endings are difficult to obtain: Players find it very hard to get good or true endings, often requiring guides and multiple playthroughs. Missing arbitrary choices or exploration prevents reaching the true ending, and the process is tedious without proper save features.
Story is fragmented and confusing: Multiple reviewers report that the narrative is broken, hard to follow, and lacks clear goals, especially early on. The story also feels rushed and incomplete in places, with plot holes and a poorly paced ending.
Heavy grind and repetitive gameplay: The gameplay is described as monotonous, involving daily stat maintenance, feeding, and reports, with a heavy sense of grind. Many reviewers note that more than half of the 50-day run is spent on repetitive tasks, and the gameplay becomes boring and repetitive.
Animations are broken or poor: Many animations are broken, playing only the first and last frames, or are stiff and awkward. The Live2D quality is low, with unnatural movements, and sound effects pile up into a chaotic mess.
True ending is too difficult: The true ending conditions are extremely strict, requiring near-perfect play and often a guide. Even with a black card, completion only reaches 87-93%, and missing any choice or exploration prevents the true ending.
SCP and Cthulhu themes: The game is heavily inspired by SCP Foundation and Cthulhu mythos, featuring an SCP-type worldview and direct lore-based guides. This thematic foundation is a major draw for players.
Multiple endings with choices: The game offers multiple endings, including hidden, good, and true endings, influenced by player choices. Choices also affect character happiness and the final outcome, providing replayability.
Succubus care and management: Players care for a succubus girl, managing her happiness and sanity while interacting through conversations and actions. This core mechanic blends nurturing with supernatural elements.
14 endings total: The game features 14 endings, including good, bad, and a true ending, with 34 static CGs and 4 dynamic CGs. This extensive branching provides significant content variety.
Player is a researcher: Players assume the role of a new researcher, specifically named Leo, conducting experiments and interacting with the main character. This role frames the narrative and gameplay.
Broken animations across platforms: Players report broken animations on both Linux and Windows 10, as well as across multiple Proton versions, indicating a widespread compatibility issue.
Frequent loading screens: Players experience frequent loading despite the game not being large, which may disrupt gameplay flow.
Mediocre picture quality: One reviewer rated the picture quality as 3 out of 5, suggesting it is average but not outstanding.
Game is highly recommended: Multiple reviewers strongly recommend the game, calling it a must-get and worth recommending overall. This positive sentiment is consistent across several clusters.
Caution for NTR-sensitive players: Several reviewers warn that players who mind NTR (netorare) or cuckold content should be cautious or avoid the game. This is a recurring concern across multiple clusters.
Recommended for adult content seekers: The game is strongly recommended for players who like direct adult content, with praise for the quality and abundance of H-scenes. Some note that all adult content can be unlocked directly.
Recommended for anime and genre fans: The game is recommended for fans of anime and for those who appreciate this genre, including cultivation and demon girl content. This broadens its appeal.
Buy at a discount: Reviewers suggest purchasing the game at a 30% or more discount, or waiting for a 50% discount if value is a concern. This indicates the game may not be worth full price.
Game completion: 3.5h.
Story completion: 2.5h.
Succubus Girl offers an interesting story for some, but repetitive gameplay, heavy grind, and pacing/translation issues prevent a consistent fun experience, with no clear point where enjoyment improves.
Friction: repetitive gameplay; heavy grind; pacing issues; translation issues; boring story.
Story-Driven Completionist: Follows guides to get the true ending, manages stats to avoid bad endings, explores all routes, and pays close attention to story details. Motivation: To experience a well-crafted narrative with suspense and multiple perspectives, and to uncover all endings including the true one. Stance: sale.
Eroge Enthusiast: Skips or fast-forwards story, uses gallery to unlock CGs, focuses on scenes with the heroine, and may use save/load to see all scenes. Motivation: To enjoy high-quality adult content, attractive characters, and direct sexual scenes. Stance: buy.
Mechanics/Strategy Optimizer: Plans purchases, tracks parameters, uses guides for optimal choices, and experiments with different strategies. Motivation: To master the resource management and stat systems, avoid bad endings, and achieve optimal outcomes. Stance: buy.
SCP and Cthulhu inspirations: Multiple reviews note the game draws from SCP Foundation and Cthulhu mythos, with specific references to SCP-166 and cosmic horror themes. Some reviewers feel the SCP setting is not very prominent.
Adult content and fetishes: The game contains explicit adult content including NTR, tentacle, and grotesque elements, with uncensored dynamic CGs. Some reviewers mention R18G and horror images.
Visual novel with raising elements: The game is described as a visual novel with raising/simulation elements, featuring a mysterious setting and intriguing story. It is compared to other visual novels in the genre.
One-click CG unlock feature: The game includes a one-click CG unlock option, allowing players to easily view all adult content without playing through the game. This is appreciated by some reviewers.
Short playtime: The game is short, with playtime ranging from under 2 hours to about 3-4 hours to see all endings. This is a common point among reviews.