Choose HiHi
Choose HiHi if you want a Simulation game with Steam Leaderboards, Custom Volume Controls, and Stereo Sound. HiHi launched in 2024.
HiHi vs Stack Mates
HiHi and Stack Mates both land in Casual 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 Casual games on Steam. HiHi (2024) is 2 years older than Stack Mates (2026). Both support cooperative play. 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 Stack Mates
Choose Stack Mates if you want an Action and Indie game with Shared/Split Screen, Shared/Split Screen Co-op, and DualShock Controller Support. Stack Mates launched in 2026.
Both HiHi and Stack Mates sit in Casual on Steam and both list Multi-player, Online Co-op, and Co-op, 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
 HiHi |  Stack Mates | |
|---|---|---|
| Released | 2024 | 2026 |
| Genres | Simulation, Casual | Action, Indie, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 0.99 USD | Price unknown |
| Steam reviews | 3 reviews | — |
| Multiplayer | Multi-player, Online Co-op, Co-op | Multi-player, Online Co-op, Shared/Split Screen Co-op |
| Developers | かくかくしかじか, demiş ünsüz oyun geliştiricisi | Wazang Games |
Side by side
- Both are Casual games on Steam.
- HiHi (2024) is 2 years older than Stack Mates (2026).
- Both support cooperative play.
HiHi vs Stack Mates — FAQ
- Should I play HiHi or Stack Mates first?
- If you want chronology, HiHi (2024) came out before Stack Mates (2026). 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 HiHi and Stack Mates similar?
- They overlap on Casual 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.
- Do both HiHi and Stack Mates have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: HiHi ships Online Co-op, Co-op; Stack Mates ships Online Co-op, Shared/Split Screen Co-op.