Choose Null Vector
Choose Null Vector if you want the Multi-player, Shared/Split Screen, and Shared/Split Screen Co-op side of the pairing. On Steam, it's currently about 44% cheaper on the Steam Store. Null Vector launched in 2018.
Null Vector vs Main Deity Space
Null Vector and Main Deity Space 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. Null Vector (2018) is 6 years older than Main Deity Space (2024). Null Vector is currently ~44% cheaper on Steam than Main Deity Space (4.99 USD vs. 8.99 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 Main Deity Space
Choose Main Deity Space if you want a RPG experience. On Steam, it's the newer release (2024) and ships with the modern feature baseline. Main Deity Space launched in 2024.
Both Null Vector and Main Deity Space 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
 Null Vector |  Main Deity Space | |
|---|---|---|
| Released | 2018 | 2024 |
| Genres | Action, Indie | Action, Indie, RPG |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 4.99 USD | 8.99 USD |
| Steam reviews | 95% positive (20 reviews) | — |
| Multiplayer | Multi-player, Shared/Split Screen Co-op, Co-op | Single-player only |
| Developers | Optical Override | LV HANJIAN |
Side by side
- Both share Action, Indie on Steam.
- Null Vector (2018) is 6 years older than Main Deity Space (2024).
- Null Vector is currently ~44% cheaper on Steam than Main Deity Space (4.99 USD vs. 8.99 USD).
- Null Vector has co-op; Main Deity Space does not.
Null Vector vs Main Deity Space — FAQ
- Should I play Null Vector or Main Deity Space first?
- If you want chronology, Null Vector (2018) came out before Main Deity Space (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 Null Vector and Main Deity Space 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.
- Does Main Deity Space have multiplayer like Null Vector?
- No. Null Vector supports multiplayer on Steam (Multi-player, Shared/Split Screen Co-op, Co-op), while Main Deity Space is listed as single-player only.