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One in a Krillion
Prepare for deep-sea action! Lead swarms of krill against predators looking for their next meal. Utilize the strength of a krillion krill to swat away your enemies. With hammers, scissors, and more unique construct abilities, master the way of the krill and lay claim to your home.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-27.
“Its good but a bit confusing in the badges it is like 2 in the morning and got no sleep but its fun but I'll try to 100% this game”
— a player, Steam review · 3 hrs played“very good very fun”
— a player, Steam review · 3 hrs playedAchievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-27.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Version 1.0.1 Update
Hello krill army, our krengineers have been hard at work behind the scenes to bring you a kloriously krimproved krillsperience: Gameplay The golden crown now gets awarded after each encounter that the
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-27.
| Genres | Action, Free To Play |
| Player tags | Hack and Slash · Action · Beat 'em up · 3D · Third Person · Top-Down · Underwater · Linear · Cartoony · Colorful · Free to Play · Family Friendly (Steam store community voting) |
| Features | Single-player · Steam Achievements · Full controller support · Gamepad Recommended · Family Sharing |
| Languages | English * * |
| Controller | Full support |
| Achievements | 19 |
Minimum system requirements (PC)
Minimum: Requires a 64-bit processor and operating system OS: Windows 10/11 Processor: Intel Core i7-4790 Memory: 4 GB RAM Graphics: Nvidia GTX 760 Storage: 670 MB available space