Choose Klaus Lee - Thunderballs
Choose Klaus Lee - Thunderballs if it matches what drew you to this matchup. Klaus Lee - Thunderballs launched in 2025.
Klaus Lee - Thunderballs vs Rectangle Jump
Klaus Lee - Thunderballs and Rectangle Jump both land in Action, Adventure, Casual 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, Adventure, Casual on Steam. Klaus Lee - Thunderballs (2025) is 1 year older than Rectangle Jump (2026). Rectangle Jump is currently ~62% cheaper on Steam than Klaus Lee - Thunderballs (4.99 USD vs. 12.99 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 Rectangle Jump
Choose Rectangle Jump if you want an Indie and Early Access experience. On Steam, it's currently about 62% cheaper on the Steam Store. Rectangle Jump launched in 2026.
Both Klaus Lee - Thunderballs and Rectangle Jump sit in Action, Adventure, and Casual 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
 Klaus Lee - Thunderballs |  Rectangle Jump | |
|---|---|---|
| Released | 2025 | 2026 |
| Genres | Action, Adventure, Casual | Action, Indie, Adventure, Casual, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 12.99 USD | 4.99 USD |
| Steam reviews | 4 reviews | 1 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | NUKKLEAR | GGcarrothead |
Side by side
- Both share Action, Adventure, Casual on Steam.
- Klaus Lee - Thunderballs (2025) is 1 year older than Rectangle Jump (2026).
- Rectangle Jump is currently ~62% cheaper on Steam than Klaus Lee - Thunderballs (4.99 USD vs. 12.99 USD).
Klaus Lee - Thunderballs vs Rectangle Jump — FAQ
- Should I play Klaus Lee - Thunderballs or Rectangle Jump first?
- If you want chronology, Klaus Lee - Thunderballs (2025) came out before Rectangle Jump (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 Klaus Lee - Thunderballs and Rectangle Jump similar?
- They overlap on Action, Adventure, Casual 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.