Choose XIIZEAL
Choose XIIZEAL if you want the Multi-player and Shared/Split Screen side of the pairing. On Steam, it's currently about 52% cheaper on the Steam Store. XIIZEAL launched in 2015.
XIIZEAL vs Space Invaders Extreme
XIIZEAL and Space Invaders Extreme 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. XIIZEAL (2015) is 3 years older than Space Invaders Extreme (2018). XIIZEAL scores higher on Steam reviews (94.7% positive) than Space Invaders Extreme (83.1% positive). 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 Space Invaders Extreme
Choose Space Invaders Extreme if it's the newer release (2018) and ships with the modern feature baseline. Space Invaders Extreme launched in 2018.
Both XIIZEAL and Space Invaders Extreme 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
 XIIZEAL |  Space Invaders Extreme | |
|---|---|---|
| Released | 2015 | 2018 |
| Genres | Action | Action |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Deck Verified |
| Price | 2.39 USD | 4.99 USD |
| Steam reviews | 94.7% positive (38 reviews) | 83.1% positive (154 reviews) |
| Multiplayer | Multi-player | Single-player only |
| Developers | TRIANGLE SERVICE | TAITO CORP. |
Side by side
- Both are Action games on Steam.
- XIIZEAL (2015) is 3 years older than Space Invaders Extreme (2018).
- XIIZEAL scores higher on Steam reviews (94.7% positive) than Space Invaders Extreme (83.1% positive).
- XIIZEAL is currently ~52% cheaper on Steam than Space Invaders Extreme (2.39 USD vs. 4.99 USD).
- Steam Deck: XIIZEAL is Deck Playable, Space Invaders Extreme is Deck Verified.
XIIZEAL vs Space Invaders Extreme — FAQ
- Should I play XIIZEAL or Space Invaders Extreme first?
- If you want chronology, XIIZEAL (2015) came out before Space Invaders Extreme (2018). 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 XIIZEAL and Space Invaders Extreme 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 Space Invaders Extreme have multiplayer like XIIZEAL?
- No. XIIZEAL supports multiplayer on Steam (Multi-player), while Space Invaders Extreme is listed as single-player only.