Choose Thunder Kid II: Null Mission
Choose Thunder Kid II: Null Mission if it matches what drew you to this matchup. Thunder Kid II: Null Mission launched in 2020.
Thunder Kid II: Null Mission vs Retro Invasion
Thunder Kid II: Null Mission and Retro Invasion 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. Thunder Kid II: Null Mission (2020) is 2 years older than Retro Invasion (2022). Retro Invasion is currently ~50% cheaper on Steam than Thunder Kid II: Null Mission (1.99 USD vs. 3.99 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 Retro Invasion
Choose Retro Invasion if it's currently about 50% cheaper on the Steam Store. Retro Invasion launched in 2022.
Both Thunder Kid II: Null Mission and Retro Invasion sit in Action and Indie 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
 Thunder Kid II: Null Mission |  Retro Invasion | |
|---|---|---|
| Released | 2020 | 2022 |
| Genres | Action, Indie | Action, Indie |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 3.99 USD | 1.99 USD |
| Steam reviews | 100% positive (12 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | Renegade Sector Games | CryneX |
Side by side
- Both share Action, Indie on Steam.
- Thunder Kid II: Null Mission (2020) is 2 years older than Retro Invasion (2022).
- Retro Invasion is currently ~50% cheaper on Steam than Thunder Kid II: Null Mission (1.99 USD vs. 3.99 USD).
Thunder Kid II: Null Mission vs Retro Invasion — FAQ
- Should I play Thunder Kid II: Null Mission or Retro Invasion first?
- If you want chronology, Thunder Kid II: Null Mission (2020) came out before Retro Invasion (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 Thunder Kid II: Null Mission and Retro Invasion 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.