Choose GUN™
Choose GUN™ if it matches what drew you to this matchup. 1,258 Steam reviews back the pick.
GUN™ vs Onslaught
GUN™ and Onslaught both land in Action 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 Action games on Steam. GUN™ (2006) is 20 years older than Onslaught (2026). Onslaught is free; GUN™ is paid (19.99 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 Onslaught
Choose Onslaught if you want an Adventure and Free To Play game with Playable without Timed Input and Save Anytime. On Steam, it's free to play, so the barrier to trying it is zero. Onslaught launched in 2026.
Both GUN™ and Onslaught sit in Action on Steam, 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
 GUN™ |  Onslaught | |
|---|---|---|
| Released | 2006 | 2026 |
| Genres | Action | Action, Adventure, Free To Play |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 19.99 USD | Free to play |
| Steam reviews | 91.3% positive (1,258 reviews) | 5 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Neversoft | InDecision Studio |
Side by side
- Both are Action games on Steam.
- GUN™ (2006) is 20 years older than Onslaught (2026).
- Onslaught is free; GUN™ is paid (19.99 USD).
- GUN™ is Deck Playable on Steam Deck; Onslaught has no Deck rating yet.
GUN™ vs Onslaught — FAQ
- Should I play GUN™ or Onslaught first?
- If you want chronology, GUN™ (2006) came out before Onslaught (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 GUN™ and Onslaught similar?
- They overlap on Action 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 Onslaught free?
- Yes — Onslaught is a free-to-play Steam title. GUN™ is paid (19.99 USD).
- Does GUN™ run on Steam Deck?
- Yes — GUN™ is rated Deck Playable by Valve. Onslaught doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.