Choose Spirit X Strike
Choose Spirit X Strike if you want an Adventure experience. On Steam, it's a focused single-player run rather than a multiplayer commitment. Spirit X Strike launched in 2025.
Spirit X Strike vs Underground: World War
Spirit X Strike and Underground: World War both land in Action, Indie, Early Access 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, Early Access on Steam. Spirit X Strike (2025) is 1 year older than Underground: World War (2026). Underground: World War has co-op; Spirit X Strike does not. 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 Underground: World War
Choose Underground: World War if you want the Multi-player, Shared/Split Screen, and Shared/Split Screen PvP side of the pairing. On Steam, it has co-op, so you can bring a friend. Underground: World War launched in 2026.
Both Spirit X Strike and Underground: World War sit in Action, Indie, and Early Access 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
 Spirit X Strike |  Underground: World War | |
|---|---|---|
| Released | 2025 | 2026 |
| Genres | Action, Indie, Adventure, Early Access | Action, Indie, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 11.04 USD | Price unknown |
| Steam reviews | 82.1% positive (134 reviews) | — |
| Multiplayer | Single-player only | Multi-player, Shared/Split Screen Co-op, Co-op |
| Developers | MAICHA STUDIO | Underworld Interactive |
Side by side
- Both share Action, Indie, Early Access on Steam.
- Spirit X Strike (2025) is 1 year older than Underground: World War (2026).
- Underground: World War has co-op; Spirit X Strike does not.
- Spirit X Strike is Deck Playable on Steam Deck; Underground: World War has no Deck rating yet.
Spirit X Strike vs Underground: World War — FAQ
- Should I play Spirit X Strike or Underground: World War first?
- If you want chronology, Spirit X Strike (2025) came out before Underground: World War (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 Spirit X Strike and Underground: World War similar?
- They overlap on Action, Indie, Early Access 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 Spirit X Strike have multiplayer like Underground: World War?
- No. Underground: World War supports multiplayer on Steam (Multi-player, Shared/Split Screen Co-op, Co-op), while Spirit X Strike is listed as single-player only.
- Does Spirit X Strike run on Steam Deck?
- Yes — Spirit X Strike is rated Deck Playable by Valve. Underground: World War doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.