Choose COG (Center Of Gravity)
Choose COG (Center Of Gravity) if it's free to play, so the barrier to trying it is zero. COG (Center Of Gravity) launched in 2017.
COG (Center Of Gravity) vs ZOLO - Zombies Only Live Once
COG (Center Of Gravity) and ZOLO - Zombies Only Live Once both land in Action, Casual, 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, Casual, Early Access on Steam. COG (Center Of Gravity) (2017) is 1 year older than ZOLO - Zombies Only Live Once (2018). COG (Center Of Gravity) is free; ZOLO - Zombies Only Live Once is paid (3.99 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 ZOLO - Zombies Only Live Once
Choose ZOLO - Zombies Only Live Once if you want an Indie experience. ZOLO - Zombies Only Live Once launched in 2018.
Both COG (Center Of Gravity) and ZOLO - Zombies Only Live Once sit in Action, Casual, and Early Access on Steam and both list Steam Leaderboards, Tracked Controller Support, and VR Only, 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
 COG (Center Of Gravity) |  ZOLO - Zombies Only Live Once | |
|---|---|---|
| Released | 2017 | 2018 |
| Genres | Action, Casual, Early Access | Action, Indie, Casual, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Deck Unsupported | Unrated |
| Price | Free to play | 3.99 USD |
| Steam reviews | 90% positive (10 reviews) | 3 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Zero Mass Energy, Inc | Game Cooks |
Side by side
- Both share Action, Casual, Early Access on Steam.
- COG (Center Of Gravity) (2017) is 1 year older than ZOLO - Zombies Only Live Once (2018).
- COG (Center Of Gravity) is free; ZOLO - Zombies Only Live Once is paid (3.99 USD).
- COG (Center Of Gravity) is Deck Unsupported on Steam Deck; ZOLO - Zombies Only Live Once has no Deck rating yet.
COG (Center Of Gravity) vs ZOLO - Zombies Only Live Once — FAQ
- Should I play COG (Center Of Gravity) or ZOLO - Zombies Only Live Once first?
- If you want chronology, COG (Center Of Gravity) (2017) came out before ZOLO - Zombies Only Live Once (2018). 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 COG (Center Of Gravity) and ZOLO - Zombies Only Live Once similar?
- They overlap on Action, Casual, 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.
- Is COG (Center Of Gravity) free?
- Yes — COG (Center Of Gravity) is a free-to-play Steam title. ZOLO - Zombies Only Live Once is paid (3.99 USD).