All Terrible Lizards Guides

A working wiki for Terrible Lizards: chapter routes, the full monster roster, Dennis, collectibles, achievements and the ending.

A spoiler-light Terrible Lizards walkthrough through all four chapters, with the parkour rules, creature encounters and collectible timing that matter.

How long Terrible Lizards takes: 6 to 10 hours for the story, 10 to 12 for completion, chapter-by-chapter estimates and what makes runs longer.

Where Terrible Lizards is available: Steam PC, PS5, Xbox Series X|S and Game Pass, plus the Switch 2 status and last-gen support.

Terrible Lizards costs $24.99, with a 20% launch discount to $19.99 on Steam, PS5 and Xbox. Here is what the price includes and whether it is worth it.

The Terrible Lizards demo has two parts: a story section and a gameplay section. What it covers, where to get it and what carries over.

Terrible Lizards is single-player only. There is no co-op, no online multiplayer and no cross-play. Here is what the game offers instead and why.

Chapter 2 of Terrible Lizards: mining outposts, the gondola, the Lake Cave and both Bronto boulder pursuits, plus the 24-note checklist.

Chapter 3 of Terrible Lizards: the flooded electrical rooms, all four fuse circuits, Allosaurus arena hunts and the black biomass, explained.

Chapter 4 of Terrible Lizards: the Crew Lift key in Cavern B, the final Dennis chase, the moving-structure climb and how to reach the ending.

Every monster in Terrible Lizards: the Hybrid, Bronto, Allo and Pterry, plus Dennis and the Paleo Pals, with behaviour and survival notes.

The Bronto in Terrible Lizards: how the roaming Brontosaurus works, how to survive both boulder pursuits, and why it was the hardest creature to build.

How the Allosaurus works in Terrible Lizards: arena hunts, charge timing, vertical escapes and why the Allo is the game's purest pressure encounter.

The Hybrid in Terrible Lizards: RJ Palmer's Dilophosaurus-human design, the coral ribcage, its encounters and how to survive the stalker.

Terrible Lizards has no health bars. These are the real boss encounters: the Hybrid, Allo, Bronto, Pterry and the final Dennis chase, with survival notes.

Who is Dennis in Terrible Lizards? The mascot suit, the entity under Dalton's Dinos, DJ's imaginary friend and the evidence behind the main theory.

Every major character in Terrible Lizards: Jordan, Stella, Dalton, Elena, DJ and Dr. Fellows, plus the four Paleo Pals mascots and their species.

The story of Terrible Lizards: Dalton and Elena Coolidge, the duelling dinosaurs fossil, DJ, Dr. Fellows and the black biomass under the park.

What happens at the end of Terrible Lizards: DJ, Dennis, the Crew Lift, Stella's car and the questions the game leaves open. Full spoilers.

Every collectible set in Terrible Lizards: 16 amber samples, audio tapes, notes, stuffed animals and the Chapter 2 note that most players miss.

All 15 Terrible Lizards achievements with global completion rates, unlock conditions, the missable Paleo Pals and the Dead by Daylight reward unlocks.

How New Game Plus works in Terrible Lizards: the four amber-locked modifiers, what each one changes and the best order to try them.