Choose Lemma
Choose Lemma if you want the Steam Leaderboards side of the pairing. Lemma launched in 2015.
Lemma vs Unification
Lemma and Unification both land in Action, Indie, Adventure 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, Adventure on Steam. Lemma (2015) is 8 years older than Unification (2023). Unification is currently ~0% cheaper on Steam than Lemma (14.99 USD vs. 14.99 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 Unification
Choose Unification if you want an Early Access game with Tracked Controller Support and VR Supported. On Steam, it's the newer release (2023) and ships with the modern feature baseline. Unification launched in 2023.
Both Lemma and Unification sit in Action, Indie, and Adventure 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
 Lemma |  Unification | |
|---|---|---|
| Released | 2015 | 2023 |
| Genres | Action, Indie, Adventure | Action, Indie, Adventure, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 14.99 USD | 14.99 USD |
| Steam reviews | 84.4% positive (96 reviews) | 7 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Helvetica Scenario | Troy Spencer |
Side by side
- Both share Action, Indie, Adventure on Steam.
- Lemma (2015) is 8 years older than Unification (2023).
- Unification is currently ~0% cheaper on Steam than Lemma (14.99 USD vs. 14.99 USD).
- Lemma is Deck Playable on Steam Deck; Unification has no Deck rating yet.
Lemma vs Unification — FAQ
- Should I play Lemma or Unification first?
- If you want chronology, Lemma (2015) came out before Unification (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 Lemma and Unification similar?
- They overlap on Action, Indie, Adventure 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 Lemma run on Steam Deck?
- Yes — Lemma is rated Deck Playable by Valve. Unification doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.