Choose OU
Choose OU if it matches what drew you to this matchup. OU launched in 2023.
OU vs AN IOU
OU and AN IOU both land in 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 are Adventure games on Steam. AN IOU (2022) is 1 year older than OU (2023). AN IOU scores higher on Steam reviews (100% positive) than OU (93.8% 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 AN IOU
Choose AN IOU if you want an Indie and Casual experience. On Steam, it's currently about 50% cheaper on the Steam Store. AN IOU launched in 2022.
Both OU and AN IOU sit in 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
 OU |  AN IOU | |
|---|---|---|
| Released | 2023 | 2022 |
| Genres | Adventure | Indie, Adventure, Casual |
| Platforms | Windows | Windows, macOS |
| Steam Deck | Deck Playable | Unrated |
| Price | 19.99 USD | 9.99 USD |
| Steam reviews | 93.8% positive (16 reviews) | 100% positive (10 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | room6, G-MODE | Red Room Games |
Side by side
- Both are Adventure games on Steam.
- AN IOU (2022) is 1 year older than OU (2023).
- AN IOU scores higher on Steam reviews (100% positive) than OU (93.8% positive).
- AN IOU is currently ~50% cheaper on Steam than OU (9.99 USD vs. 19.99 USD).
- OU is Deck Playable on Steam Deck; AN IOU has no Deck rating yet.
OU vs AN IOU — FAQ
- Should I play OU or AN IOU first?
- If you want chronology, AN IOU (2022) came out before OU (2023). 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 OU and AN IOU similar?
- They overlap on 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.
- Does OU run on Steam Deck?
- Yes — OU is rated Deck Playable by Valve. AN IOU doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.