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The Monster Breeder
Turn-based fantasy gladiatorial game with monster breeding. Crossbreed various species to create monster hybrids for gladiatorial combat. Manipulate creatures’ traits with surgery, magic, and alchemy. Manage your enterprise, craft items and upgrade your base. Fight in the arena for gold and glory!
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-25.
“maybe if the developers optimized this ten fold it'd be much more fun cause my computer can run it sort of semi well on the contrary maybe add more fkin graphics options oh my lord we got the ermm *points at screen* low... medium.. high like bro if I'm gonna cripple my graphics…”
— a player, Steam review · 10 hrs played“great game to play while chilling i pray it gets more updates”
— a player, Steam review · 79 hrs played“I love this game! It feels like a mix between Monster Rancher and Gladius. Huge fan, keep up the great work!!”
— a player, Steam review · 55 hrs playedPlayer activity
Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-08 via SteamCharts.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-09-26. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-25). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Manipulating the appearance of offspring
Hi All, This update adds a new feature to the game. Until now, monsters randomly inherited their external characteristics. From now on, players can influence these inherited traits. You can choose fro
User Interface Update
Hi All, This update primarily focuses on improving the user interface, along with a few smaller fixes and enhancements. The most important change is that the buttons indicating the monsters’ rooms can
Language & Engine Update
Hi, This is more of a maintenance-type update, made with the latest Unity 6 LTS. It was greatly needed, as the old Unity builds had become increasingly incompatible with newer hardware and drivers. Th
Secondary Melee Combat System
Hi All! I know many of you felt that randomness plays too big a role in the combat system. After the summer break, I began working on an alternative approach that eliminates RNG from melee combat. Wit
Bug fixes and UI improvements
Hi everybody, This update contains bug fixes, improvements to the user interface, and more tooltips about weapon and armor bonuses. Bugs fixed: Casting Dispel Magic can cause freeze. Casting the Invok
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-25.
| Genres | Indie, RPG, Simulation, Strategy |
| Player tags | Turn-Based Tactics · Management · Creature Collector · Sandbox · Turn-Based · Realistic · Immersive Sim · Atmospheric · Simulation · Strategy RPG · Strategy · Turn-Based Combat (Steam store community voting) |
| Features | Single-player · Steam Achievements · Family Sharing |
| Languages | English * , French, German, Simplified Chinese, Italian, Spanish - Spain, Japanese, Korean, Portuguese - Portugal * |
| Achievements | 65 |
Minimum system requirements (PC)
Minimum: OS: Windows 10 or newer Processor: 2 GHz Dual-Core Memory: 8 GB RAM Graphics: Direct X 9.0 Storage: 7 GB available space Sound Card: DirectX 9.0 compatible