Choose Instant War
Choose Instant War if you want a Massively Multiplayer and Free To Play game with Online Co-op and Co-op. On Steam, it's free to play, so the barrier to trying it is zero. Instant War launched in 2022.
Instant War vs RTS Outpost
Instant War and RTS Outpost both land in Strategy 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 Strategy games on Steam. Instant War is free; RTS Outpost is paid (Price unknown). Instant War has co-op; RTS Outpost does not. 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 RTS Outpost
Choose RTS Outpost if you want an Action experience.
Both Instant War and RTS Outpost sit in Strategy on Steam and both list Multi-player, MMO, and Online PvP, 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
 Instant War |  RTS Outpost | |
|---|---|---|
| Released | 2022 | — |
| Genres | Strategy, Massively Multiplayer, Free To Play | Action, Strategy |
| Platforms | Windows | Windows, macOS, Linux |
| Steam Deck | Deck Playable | Unrated |
| Price | Free to play | Price unknown |
| Steam reviews | 71.4% positive (49 reviews) | — |
| Multiplayer | Multi-player, Cross-Platform Multiplayer, Online Co-op | Multi-player, Cross-Platform Multiplayer |
| Developers | Playwing LTD | Murat Yucel |
Side by side
- Both are Strategy games on Steam.
- Instant War is free; RTS Outpost is paid (Price unknown).
- Instant War has co-op; RTS Outpost does not.
- Instant War is Deck Playable on Steam Deck; RTS Outpost has no Deck rating yet.
Instant War vs RTS Outpost — FAQ
- Are Instant War and RTS Outpost similar?
- They overlap on Strategy 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 Instant War free?
- Yes — Instant War is a free-to-play Steam title. RTS Outpost is paid (Price unknown).
- Does Instant War run on Steam Deck?
- Yes — Instant War is rated Deck Playable by Valve. RTS Outpost doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.