Choose Horizon
Choose Horizon if you want an Indie, Adventure, and Simulation experience. Horizon launched in 2014.
Horizon vs Space Empires I
Horizon and Space Empires I 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. Horizon (2014) is 6 years older than Space Empires I (2020). Horizon scores higher on Steam reviews (58.1% positive) than Space Empires I (40% 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 Empires I
Choose Space Empires I if it's currently about 93% cheaper on the Steam Store. Space Empires I launched in 2020.
Both Horizon and Space Empires I 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
 Horizon |  Space Empires I | |
|---|---|---|
| Released | 2014 | 2020 |
| Genres | Strategy, Indie, Adventure, Simulation, Free To Play | Strategy |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 29.99 USD | 1.99 USD |
| Steam reviews | 58.1% positive (258 reviews) | 40% positive (10 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | L3O Interactive | Malfador Machinations |
Side by side
- Both are Strategy games on Steam.
- Horizon (2014) is 6 years older than Space Empires I (2020).
- Horizon scores higher on Steam reviews (58.1% positive) than Space Empires I (40% positive).
- Space Empires I is currently ~93% cheaper on Steam than Horizon (1.99 USD vs. 29.99 USD).
Horizon vs Space Empires I — FAQ
- Should I play Horizon or Space Empires I first?
- If you want chronology, Horizon (2014) came out before Space Empires I (2020). 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 Horizon and Space Empires I 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.