Choose Rival Rampage
Choose Rival Rampage if it matches what drew you to this matchup. Rival Rampage launched in 2017.
Rival Rampage vs DOI: Defense Shooter
Rival Rampage and DOI: Defense Shooter both land in Action, Indie 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 Action, Indie on Steam. Rival Rampage (2017) is 9 years older than DOI: Defense Shooter (2026). Both are free to 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 DOI: Defense Shooter
Choose DOI: Defense Shooter if you want a Free To Play and Casual experience. On Steam, it's the newer release (2026) and ships with the modern feature baseline. DOI: Defense Shooter launched in 2026.
Both Rival Rampage and DOI: Defense Shooter sit in Action and Indie on Steam and both list Multi-player, Online PvP, 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
 Rival Rampage |  DOI: Defense Shooter | |
|---|---|---|
| Released | 2017 | 2026 |
| Genres | Action, Indie | Action, Indie, Free To Play, Casual |
| Platforms | Windows, Linux | Windows |
| Steam Deck | Unrated | Unrated |
| Price | Free to play | Free to play |
| Steam reviews | 94.4% positive (36 reviews) | 1 reviews |
| Multiplayer | Multi-player, Online Co-op, Co-op | Multi-player, Online Co-op, Co-op |
| Developers | Oddscure, RadioDog | SPIDER HAT |
Side by side
- Both share Action, Indie on Steam.
- Rival Rampage (2017) is 9 years older than DOI: Defense Shooter (2026).
- Both are free to play.
- Both support cooperative play.
Rival Rampage vs DOI: Defense Shooter — FAQ
- Should I play Rival Rampage or DOI: Defense Shooter first?
- If you want chronology, Rival Rampage (2017) came out before DOI: Defense Shooter (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 Rival Rampage and DOI: Defense Shooter similar?
- They overlap on Action, Indie 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 Rival Rampage and DOI: Defense Shooter have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Rival Rampage ships Online Co-op, Co-op; DOI: Defense Shooter ships Online Co-op, Co-op.