Choose Islet Online
Choose Islet Online if you want an Indie and Adventure experience. On Steam, it's free to play, so the barrier to trying it is zero. Islet Online launched in 2019.
Islet Online vs Dual Universe
Islet Online and Dual Universe both land in Massively Multiplayer, RPG 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 Massively Multiplayer, RPG on Steam. Islet Online (2019) is 3 years older than Dual Universe (2022). Islet Online scores higher on Steam reviews (69.9% positive) than Dual Universe (50.9% 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 Dual Universe
Choose Dual Universe if you want a Simulation game with Online PvP and PvP. On Steam, it's the newer release (2022) and ships with the modern feature baseline. Dual Universe launched in 2022.
Both Islet Online and Dual Universe sit in Massively Multiplayer and RPG on Steam and both list Multi-player, MMO, and Online 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
 Islet Online |  Dual Universe | |
|---|---|---|
| Released | 2019 | 2022 |
| Genres | Indie, Adventure, Massively Multiplayer, RPG | Simulation, Massively Multiplayer, RPG |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Deck Unsupported |
| Price | Free to play | Price unknown |
| Steam reviews | 69.9% positive (83 reviews) | 50.9% positive (326 reviews) |
| Multiplayer | Multi-player, Cross-Platform Multiplayer, Online Co-op | Multi-player, Online Co-op, Co-op |
| Developers | Morenori Soft | Novaquark |
Side by side
- Both share Massively Multiplayer, RPG on Steam.
- Islet Online (2019) is 3 years older than Dual Universe (2022).
- Islet Online scores higher on Steam reviews (69.9% positive) than Dual Universe (50.9% positive).
- Islet Online is free; Dual Universe is paid (Price unknown).
- Both support cooperative play.
- Steam Deck: Islet Online is Deck Playable, Dual Universe is Deck Unsupported.
Islet Online vs Dual Universe — FAQ
- Should I play Islet Online or Dual Universe first?
- If you want chronology, Islet Online (2019) came out before Dual Universe (2022). 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 Islet Online and Dual Universe similar?
- They overlap on Massively Multiplayer, RPG 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 Islet Online and Dual Universe have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Islet Online ships Online Co-op, Co-op; Dual Universe ships Online Co-op, Co-op.
- Is Islet Online free?
- Yes — Islet Online is a free-to-play Steam title. Dual Universe is paid (Price unknown).