Announcement
v1.7.1v1.7.1: Wasteland monster art patch
Hey all, I forgot to update the wasteland monsters' art style when I uploaded the v1.7.0 patch yesterday. That's now been fixed.
Steam
Oneons: Prisoners
Also known as Oneons: Prisoners, oneons prisoners, oneons-prisoners
Oneons is a hard coffee-break roguelite. Explore 12 floors. Uncover dangerous enemies, each with unique abilities. Turn-based combat: fight or use your skills to blast enemies or heal. Balance exploration, energy, and combat. Die. Get stronger. Retry. Turn-based and easy to play, difficult to master
Last update
17 May 2026
Players now
0
Original sources
1
Latest update
Latest updates
Update history
Browse past updates and patch notes for this game.
- March 2022
- Hey all, After looking at the Oneons game, I realized I was extremely unhappy with the quality of the graphics. It's hard to believe how much my pixel-art skills have changed in two years. So, I set out to revamp the ga…Store
- August 2021
- Oneons v1.6.1: bug-fixThanks to all our new and returning players for providing feedback on Oneons v1.6.1! One player pointed out a small bug fix that just I couldn't resist fixing: monster health bars! Starting in v1.6.1, monster health bar…
- Oneons is now Free!I am honestly very thankful and humble for the support around Oneons. In one year of launching my first ever commercial game on Steam, I really learned a lot. As the game now reached one year, after much deliberation, I…
- July 2021
- Oneons v1.6.0 update: now easier via permanent upgrades, and a new heal skill!A few players mentioned that they found Oneons very challenging and difficult, to the point of being unbeatable (despite being a relatively short game). I decided to make a couple of simple changes to reduce the difficu…
- January 2021
- v1.5.1 release with animation bug-fixHello! Just a quick update to v1.5.1 version of Oneons. This includes a single tiny bug-fix: attack animations! Prior to this fix, when you attack, you only see the first frame of animation. Now, you see the full thing.…
- October 2020
- Oneons v1.5.0 ReleasedToday, we launched Oneons v1.5.0. This rather small update includes three small quality-of-life changes: As your health progressively lowers, a red border appears more brightly around the edges of the screen. (This help…
- August 2020
- Oneons v1.4.0 is Now Available to All Players I am extremely excited to announce that you can buy and play Oneons right now. After five months of development (three of which were implementing player-requested changes),…Patch notes
- First of all, I apologize for not meeting our intended two-week goal with this release. Life happens, and unfortunately development on Oneons is slowing down. I cannot guarantee either that two-week releases will contin…Store
- July 2020
- Dear Oneons community, We're excited to ship a new v1.2.0 version of the game today! This this the second every-other-week release that delivers changes players requested and based on player feedback. Now Playing: Oneon…Store
- Dear friends and curators, I released Oneons on Steam with the plan that I would ship it and move on to my next game. But, overwhelmingly, the feedback I got back is that the game ... could be better. Could be great. Bu…Patch notes
- June 2020
- Coming Soon: August 2020 First, and most importantly, Oneons: Prisoners, our premiere broughlike (roguelite) dungeon crawler, will be available in August 2020 (barring any unforseen delays). The game is functionally com…Patch notes
Gallery
In-game media
Achievements
Community progression
Top picks from 6 Steam achievements, sorted by player unlock rates.
- MeticulousCompletely explore five floors74.0%
- VictoryComplete the game70.1%
- Hive MindRescue 10 Oneons67.5%
- PersistentDie 9 times61.1%
- PyromaniacKill a monster using only fire60.3%
- Demolition ManDestroy 10 Items60.0%