Choose Speedonauts
Choose Speedonauts if you want a Sports and Racing experience. Speedonauts launched in 2023.
Speedonauts vs Inertia 2: Definitive Edition
Speedonauts and Inertia 2: Definitive Edition 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. Speedonauts (2023) is 3 years older than Inertia 2: Definitive Edition (2026). Speedonauts is Deck Playable on Steam Deck; Inertia 2: Definitive Edition has no Deck rating yet. 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 Inertia 2: Definitive Edition
Choose Inertia 2: Definitive Edition if you want an Indie and Early Access game with Camera Comfort, Custom Volume Controls, and Playable without Timed Input. On Steam, it's the newer release (2026) and ships with the modern feature baseline. Inertia 2: Definitive Edition launched in 2026.
Both Speedonauts and Inertia 2: Definitive Edition sit in Action 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
 Speedonauts |  Inertia 2: Definitive Edition | |
|---|---|---|
| Released | 2023 | 2026 |
| Genres | Action, Sports, Racing | Action, Indie, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 7.99 USD | Price unknown |
| Steam reviews | 96% positive (25 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | World Away Games | Loneminded |
Side by side
- Both are Action games on Steam.
- Speedonauts (2023) is 3 years older than Inertia 2: Definitive Edition (2026).
- Speedonauts is Deck Playable on Steam Deck; Inertia 2: Definitive Edition has no Deck rating yet.
Speedonauts vs Inertia 2: Definitive Edition — FAQ
- Should I play Speedonauts or Inertia 2: Definitive Edition first?
- If you want chronology, Speedonauts (2023) came out before Inertia 2: Definitive Edition (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 Speedonauts and Inertia 2: Definitive Edition 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.
- Does Speedonauts run on Steam Deck?
- Yes — Speedonauts is rated Deck Playable by Valve. Inertia 2: Definitive Edition doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.