Choose PRINCIPIA: Master of Science
Choose PRINCIPIA: Master of Science if you want an Early Access experience. On Steam, it's currently about 50% cheaper on the Steam Store. PRINCIPIA: Master of Science launched in 2016.
PRINCIPIA: Master of Science vs Arms Race 2
PRINCIPIA: Master of Science and Arms Race 2 both land in Indie, Simulation 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 Indie, Simulation on Steam. PRINCIPIA: Master of Science (2016) is 7 years older than Arms Race 2 (2023). PRINCIPIA: Master of Science is currently ~50% cheaper on Steam than Arms Race 2 (9.99 USD vs. 19.99 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 Arms Race 2
Choose Arms Race 2 if you want a Strategy game with Multi-player, Online PvP, and PvP. On Steam, it's the newer release (2023) and ships with the modern feature baseline. Arms Race 2 launched in 2023.
Both PRINCIPIA: Master of Science and Arms Race 2 sit in Indie and Simulation 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
 PRINCIPIA: Master of Science |  Arms Race 2 | |
|---|---|---|
| Released | 2016 | 2023 |
| Genres | Indie, Simulation, Early Access | Strategy, Indie, Simulation |
| Platforms | Windows, macOS | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 9.99 USD | 19.99 USD |
| Steam reviews | 63.3% positive (49 reviews) | 4 reviews |
| Multiplayer | Single-player only | Multi-player |
| Developers | tomeapp | Alina Digital |
Side by side
- Both share Indie, Simulation on Steam.
- PRINCIPIA: Master of Science (2016) is 7 years older than Arms Race 2 (2023).
- PRINCIPIA: Master of Science is currently ~50% cheaper on Steam than Arms Race 2 (9.99 USD vs. 19.99 USD).
PRINCIPIA: Master of Science vs Arms Race 2 — FAQ
- Should I play PRINCIPIA: Master of Science or Arms Race 2 first?
- If you want chronology, PRINCIPIA: Master of Science (2016) came out before Arms Race 2 (2023). 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 PRINCIPIA: Master of Science and Arms Race 2 similar?
- They overlap on Indie, Simulation 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 PRINCIPIA: Master of Science have multiplayer like Arms Race 2?
- No. Arms Race 2 supports multiplayer on Steam (Multi-player), while PRINCIPIA: Master of Science is listed as single-player only.