How Long Is Terrible Lizards?
6–10 hours for a first playthrough, according to the developers. Rushing gets you under six; exploring and reading everything can push it toward 12. Then there is New Game Plus and the collectible sets.
| Play style | Time | Source |
|---|---|---|
| Fast, little exploring | under 6 h | Lead developer |
| Typical first run | 6–10 h | Lead developer, based on reviewer and creator feedback |
| Slow, story and exploring | ~12 h | “Some cases”, per the lead developer |
| 100% (all collectibles) | not verified | We have not confirmed the time or collectible totals |
How far players have got
Steam’s global stats on October 31, 2026, two days after launch, show how many players have finished each level:
| Level | Finished by |
|---|---|
| Level 1: Dalton's Dinos | 76.5% |
| Level 2: The digsites | 46% |
| Level 3: Goo, rails & the Allosaurus | 22.9% |
| Level 4: The deep caverns | 18.3% |
Early numbers lean toward the fastest players; they will settle over the coming weeks.
Quick answers
How long is Terrible Lizards?
About 6–10 hours, according to the lead developer. Fast players can finish in under six; some reviewers took closer to 12.
How many levels are there?
Four, ending in a single ending.
How long does 100% take?
We have not verified a 100% completion time or the total counts for amber, notes, tapes and stuffed animals.
Is it worth replaying?
New Game Plus adds four modifiers (body-cam, slippery, keep moving, low gravity) that change how the parkour plays.
Sources
- Developer WDR Studios: Developer Q&A, October 2026 · October 22, 2026
- Official Steam global achievement stats · October 31, 2026
Community guides are player-written and not confirmed by WDR Studios. Where two of them disagree, we show both.