Choose Sphere Invasion
Choose Sphere Invasion if you want an Action experience. On Steam, it's currently about 25% cheaper on the Steam Store. Sphere Invasion launched in 2020.
Sphere Invasion vs ReEarth
Sphere Invasion and ReEarth both land in Strategy 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 Strategy games on Steam. Sphere Invasion (2020) is 4 years older than ReEarth (2024). Sphere Invasion is currently ~25% cheaper on Steam than ReEarth (5.99 USD vs. 7.99 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 ReEarth
Choose ReEarth if you want an Indie and RPG experience. On Steam, it's the newer release (2024) and ships with the modern feature baseline. ReEarth launched in 2024.
Both Sphere Invasion and ReEarth sit in Strategy 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
 Sphere Invasion |  ReEarth | |
|---|---|---|
| Released | 2020 | 2024 |
| Genres | Action, Strategy | Strategy, Indie, RPG |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Deck Playable |
| Price | 5.99 USD | 7.99 USD |
| Steam reviews | 1 reviews | 5 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Space and Frogs | Jiangzuogongfang Shanghai Game Co.,Ltd |
Side by side
- Both are Strategy games on Steam.
- Sphere Invasion (2020) is 4 years older than ReEarth (2024).
- Sphere Invasion is currently ~25% cheaper on Steam than ReEarth (5.99 USD vs. 7.99 USD).
- ReEarth is Deck Playable on Steam Deck; Sphere Invasion has no Deck rating yet.
Sphere Invasion vs ReEarth — FAQ
- Should I play Sphere Invasion or ReEarth first?
- If you want chronology, Sphere Invasion (2020) came out before ReEarth (2024). 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 Sphere Invasion and ReEarth similar?
- They overlap on Strategy 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.