Bioprototype

About

Bioprototype is a single player tactical hack and slash game with a science fiction theme. It was developed by Emprom Game and was released on May 19, 2025. It received very positive reviews from players.

Bioprototype, a Roguelike & Skill Customizing Rhapsody! This is an auto-bomber with programming elements. Customize your character skills with visual programming, utilize enemy organs to finish the mutation, and construct the ultimate prototype, one can survive in the endless wave of flesh. • Set your own skill trigger logics • More builds: Bullet Master, Flesh Army, Virus Master, and more • 24 u…

Skip User Reviews

91%Audience ScoreBased on 365 reviews

gameplay25 positive mentions

story3 negative mentions

Highly customizable build system with complex organ combinations allowing for creative and powerful synergies.
Addictive gameplay loop with a unique blend of roguelike and bullet-hell mechanics, rewarding experimentation and strategic planning between waves.
Free or low-cost offering with continuous content unlocks, multiple characters with distinct playstyles, and strong replayability.

Steep learning curve and confusing or insufficient tutorial, making it hard for new players to grasp core mechanics and interactions.
High dependence on RNG for obtaining specific parts needed for effective builds, leading to frustration especially at higher levels or boss fights.
Technical issues including poor save synchronization (especially on Steam Deck), clunky UI, and lack of polish in sound design and graphics.

gameplay
65 mentions Positive Neutral Negative
38%
57%
5%
The gameplay offers a unique and deep roguelike experience centered on building and upgrading a character through strategic organ combinations, blending auto-battler and puzzle-like mechanics. While the core loop is satisfying and addictive once understood, many players find the mechanics complex, poorly explained, and initially intimidating. Despite some criticisms of repetitiveness and difficulty spikes, the gameplay’s innovative systems and sound design provide engaging and rewarding experimentation for fans of the genre.
- “The upgrade system is the meat of the gameplay; you essentially program your own player character using building blocks that you accumulate between rounds.”
- “Bioprototype has a fun gameplay loop, satisfying upgrades and combat and sound design, interesting abilities that you can attach to your character, and achievements that are challenging but don't feel impossible to achieve.”
- “The core gameplay loop revolves around surviving escalating waves of grotesque, organic enemies while assembling a synergistic build from a large pool of available organs.”
- “Lots of mechanics are way too complex and their effects aren't clear in real fights.”
- “This game has really bad mechanic introductions and guidance.”
- “But the core mechanic of the game, which is building your character with weapons and supports, feels too complex for the sake of it.”
graphics
12 mentions Positive Neutral Negative
25%
50%
25%
The graphics are generally appreciated for their distinctive styles, ranging from gritty pixel-art to cartoony aesthetics, which effectively complement each game's themes. While some find the visuals charming and innovative, others note that simplicity or dated visuals slightly detract but do not overshadow enjoyable gameplay. Overall, the graphics support gameplay clarity and contribute positively to the immersive experience.
- “Visually, Bioprototype embraces a gritty pixel-art style that complements its grotesque biological theme.”
- “The game offers an innovative gameplay experience with stunning graphics and immersive sound design.”
- “The game seamlessly combines innovative gameplay with stunning graphics.”
- “Some clones are just copies with a change of graphics to trick the unwary buyer into paying a few bucks for an asset flip.”
- “Different graphics and a unique twist can’t make up for bioprototype’s shortcomings and dull, uninspired gameplay.”
- “But the graphics and sounds feel like they came from a game in 1995.”
replayability
9 mentions Positive Neutral Negative
56%
33%
11%
The game offers high replayability for players who enjoy character variety and deep customization, with many praising its endless possibilities and engaging experimentation. However, some users find the gameplay repetitive, leading to a lower desire for multiple playthroughs after completing achievements. Overall, replayability is strong but may vary depending on player preferences.
- “For players who appreciate deep customization, experimentation, and replayability, Bioprototype offers a distinctive experience that feels alive in more ways than one.”
- “This game is more than great with endless possibilities and super high replayability value.”
- “Character variety further enhances replayability.”
- “While the game is fun at first, it has low replayability due to its repetitive gameplay.”
music
8 mentions Positive Neutral Negative
38%
24%
38%
The music received mixed feedback, with some users finding it repetitive, short, and incentivizing them to switch to their own tunes, while others praised its quality and found it evocative and impactful. Suggestions for improvement include adding more variation and better sound descriptions. Overall, the soundtrack contributes positively to the game's atmosphere despite minor technical issues.
- “Some stuff that could improve would be some better descriptions in some organs and add more music variation in each wave, but overall a good experience.”
- “Quality writing, awesome music, cool designs for the characters or enemies, and fun minigames can help the player get through so-so gameplay.”
- “My god that theme song sent shivers down my spine.”
- “The music tracks featured in this game are fairly low in volume and loop repeatedly, which gives me plenty of reason to turn it off and play my own tunes.”
- “No secondary objectives, lacking sounds, music is way too short.”
- “Some stuff that could improve would be adding more music variation in each wave.”
story
7 mentions Positive Neutral Negative
29%
28%
43%
The game currently lacks a strong, integrated story, focusing more on gameplay and experimentation with combinations. Some players appreciate the potential for a deeper narrative and suggest adding an overarching plot and world conquest elements to enhance engagement. The storyline is hinted at mostly through external sources rather than in-game, leaving room for future development.
- “I appreciated the compelling storyline and the gradual unveiling of its secrets.”
- “This is due to a story behind the game, which you can read about in the game's pinned Steam community post (the developers are good btw).”
- “There doesn't appear to be a story (as far as I can tell), but that honestly doesn't matter, as the main focus is on experimenting with different combinations of body parts.”
- “Then you aim for the missions to unlock everything so there is no more to unlock for that completion satisfaction.”
- “Awesome game, need to turn this into the playable demo and then sell the "real" game, new arenas more types, more modifiers, different objectives (i.e. attack a large hive creature that spawns the mobs, invade nests, add the ability to have more than one player (harder but still cool) or even have one player control 4 separate bioexperiments like a DnD raid, add in a little over story and a map where we conquer worlds... give us the player a reason for this... are we a bio weapon sent after a foe who our makers are assholes and want to eliminate the locals and then we can decide to go back and attack our makers... maybe even go up against other bioexperiments?)... just hoping this helps, please continue this on, when you do make the "real" game, add a button within this "demo" to buy that one... price around $15 and I will totally be your first customer!!!”
grinding
5 mentions Positive Neutral Negative
20%
80%
Grinding in the game offers a mix of enjoyment and tedium; while some players find it rewarding and motivating to keep playing, the upgrade system is poorly explained and requires extensive point grinding. Combat can feel tedious, limiting fun despite interesting combo building, and progression through abilities is slow and basic. Overall, grinding presents a moderate challenge that may deter those seeking a more streamlined experience.
- “No secondary objectives, lacking sounds, music is way too short, basic uninteresting abilities that you need to play loads of matches to get any cool setup due to point grinding to earn upgrades.”
- “The system doesn't really explain itself that well and it's tedious trying to upgrade.”
- “Fun combo building, limited by tedious combat.”
humor
3 mentions Positive Neutral Negative
100%
The humor is lighthearted and playful, often deriving from quirky presentation and character design, such as the amusing "funny blob" concept. It enhances the game's charm by blending ARPG elements with roguelite-inspired unlockables, resulting in an entertaining and witty experience.
- “It's very funny because, as per its store page and presentation as an ARPG rather than a roguelite, it's clear this came first and accordingly had a lot more bespoke care put into it overall.”
- “Funny vampire-survivor-like with levels and unlockable characters via gaming.”
atmosphere
2 mentions Positive Neutral Negative
100%
The atmosphere is praised for its cohesive and purposeful rawness, achieved through an organic color palette, exaggerated enemy designs, and visceral particle effects, effectively capturing a classic Super Metroid feel.
- “The organic color palette, exaggerated enemy designs, and visceral particle effects create an atmosphere that feels cohesive and purposefully raw.”
- “100% Super Metroid atmosphere.”
monetization
2 mentions Positive Neutral Negative
100%
Users criticize the monetization for misleading advertising, particularly regarding the game's genre, which is falsely promoted as a roguelike. This has led to distrust and a lack of recommendation, despite the game being free.
- “Cannot recommend, even while free, as the developer is falsely advertising.”
- “I understand they were most likely not aware they were falsely advertising and cannot take back their claims of it being a roguelike despite not being a roguelike.”