Choose Brother Brother
Choose Brother Brother if you want a Free To Play and Casual experience. On Steam, it's free to play, so the barrier to trying it is zero. Brother Brother launched in 2019.
Brother Brother vs Undungeon Arena
Brother Brother and Undungeon Arena both land in Action, Indie, Adventure on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both share Action, Indie, Adventure on Steam. Brother Brother (2019) is 1 year older than Undungeon Arena (2020). Brother Brother scores higher on Steam reviews (100% positive) than Undungeon Arena (82.1% positive). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Which should you pick?
Choose Undungeon Arena
Choose Undungeon Arena if it matches what drew you to this matchup. Undungeon Arena launched in 2020.
Both Brother Brother and Undungeon Arena sit in Action, Indie, and Adventure on Steam, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.
Side-by-side comparison
 Brother Brother |  Undungeon Arena | |
|---|---|---|
| Released | 2019 | 2020 |
| Genres | Action, Indie, Adventure, RPG, Free To Play, Casual | Action, Indie, Adventure, RPG |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | Free to play | Price unknown |
| Steam reviews | 100% positive (30 reviews) | 82.1% positive (28 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Patrick VanMackelberg | Laughing Machines |
Side by side
- Both share Action, Indie, Adventure on Steam.
- Brother Brother (2019) is 1 year older than Undungeon Arena (2020).
- Brother Brother scores higher on Steam reviews (100% positive) than Undungeon Arena (82.1% positive).
- Brother Brother is free; Undungeon Arena is paid (Price unknown).
Brother Brother vs Undungeon Arena — FAQ
- Should I play Brother Brother or Undungeon Arena first?
- If you want chronology, Brother Brother (2019) came out before Undungeon Arena (2020). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
- Are Brother Brother and Undungeon Arena similar?
- They overlap on Action, Indie, Adventure on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.
- Is Brother Brother free?
- Yes — Brother Brother is a free-to-play Steam title. Undungeon Arena is paid (Price unknown).