Choose S.U.M. - Slay Uncool Monsters
Choose S.U.M. - Slay Uncool Monsters if you want a Free To Play experience. On Steam, it's free to play, so the barrier to trying it is zero. S.U.M. - Slay Uncool Monsters launched in 2021.
S.U.M. - Slay Uncool Monsters vs Kubikon 3D
S.U.M. - Slay Uncool Monsters and Kubikon 3D both land in Indie, 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 share Indie, Casual on Steam. S.U.M. - Slay Uncool Monsters (2021) is 3 years older than Kubikon 3D (2024). S.U.M. - Slay Uncool Monsters is free; Kubikon 3D is paid (9.99 USD). 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 Kubikon 3D
Choose Kubikon 3D if you want the Stereo Sound, Playable without Timed Input, and Keyboard Only Option side of the pairing. On Steam, it's the newer release (2024) and ships with the modern feature baseline. Kubikon 3D launched in 2024.
Both S.U.M. - Slay Uncool Monsters and Kubikon 3D sit in Indie and Casual on Steam and both list Steam Leaderboards, 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
 S.U.M. - Slay Uncool Monsters |  Kubikon 3D | |
|---|---|---|
| Released | 2021 | 2024 |
| Genres | Indie, Free To Play, Casual | Indie, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Deck Verified | Unrated |
| Price | Free to play | 9.99 USD |
| Steam reviews | 92.6% positive (95 reviews) | 2 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Doomster Entertainment | KUBI Games |
Side by side
- Both share Indie, Casual on Steam.
- S.U.M. - Slay Uncool Monsters (2021) is 3 years older than Kubikon 3D (2024).
- S.U.M. - Slay Uncool Monsters is free; Kubikon 3D is paid (9.99 USD).
- S.U.M. - Slay Uncool Monsters is Deck Verified on Steam Deck; Kubikon 3D has no Deck rating yet.
S.U.M. - Slay Uncool Monsters vs Kubikon 3D — FAQ
- Should I play S.U.M. - Slay Uncool Monsters or Kubikon 3D first?
- If you want chronology, S.U.M. - Slay Uncool Monsters (2021) came out before Kubikon 3D (2024). 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 S.U.M. - Slay Uncool Monsters and Kubikon 3D similar?
- They overlap on Indie, 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.
- Is S.U.M. - Slay Uncool Monsters free?
- Yes — S.U.M. - Slay Uncool Monsters is a free-to-play Steam title. Kubikon 3D is paid (9.99 USD).
- Does S.U.M. - Slay Uncool Monsters run on Steam Deck?
- Yes — S.U.M. - Slay Uncool Monsters is rated Deck Verified by Valve. Kubikon 3D doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.