---
title: "Terrible Lizards Wiki & Guide: Achievements, Monsters & NG+"
canonical: "https://www.terrible-lizards-wiki.app/"
steam_app_id: 2920220
release_date: "2026-10-29"
last_verified: "2026-11-01"
---

# Terrible Lizards Wiki & Guide: All 15 Achievements, Collectibles, Monsters & Walkthrough

**Terrible Lizards** (Steam App `2920220`, launched October 29, 2026 by WDR Studios LLC, Digital Pajamas, and Behaviour Interactive Inc.) is a first-person parkour survival-horror adventure set inside the abandoned 1990s *Dalton's Dinos* theme park and subterranean genetics complex.

## Quick Telemetry Summary

- **Platforms**: PC (Steam), PlayStation 5, Xbox Series X|S (Day 1 Xbox Game Pass)
- **Pricing**: $24.99 USD standard ($19.99 USD launch discount through November 5, 2026)
- **Steam Rating**: 82% Very Positive across 383 user reviews
- **Total Achievements**: 15 (14 hidden in Steam UI; all decoded via SSR `schema_v2`)
- **Collectibles**: 16 Amber pieces (unlocking 4 New Game Plus modifiers), 24 Chapter 2 notes, Audio Logs, and 4 Paleo Pal speaker boxes

## Interactive Tools on This Page

1. **Decoded 15-Achievement Progress Checklist**: Filter by chapter or rarity, search by internal key (`ACH_Welcome` through `ACH_StuffedAnimal`), and save completion progress in browser `localStorage`.
2. **Amber Collectibles & New Game Plus Modifier Calculator (`0-16`)**:
   - `4 Amber`: **Bodycam Mode** (VHS fisheye lens + tactical flashlight vignette)
   - `8 Amber`: **Slippery Surfaces** (ice friction physics across all catwalks)
   - `12 Amber`: **Stop Moving = Death** (1.5-second standstill triggers health drain)
   - `16 Amber`: **Low Gravity Playground** (low-gravity moon jumps across chasms)
3. **PC UE5 Stutter & Softlock Diagnostic**: Step-by-step fixes for RTX 3080/4070 Lumen frame drops, cutscene frame-cap stutters, and Patch `v1.0.9` checkpoint respawn softlocks.

## Navigation & Machine Endpoints

- [All 15 Decoded Achievements & Chapter 2 24-Note Audit](/achievements-and-collectibles/)
- [RJ Palmer Creature Dossier, 4 Paleo Pals & 1977-1992 Lore](/monsters-and-lore/)
- [Methodology, Provenance & Agent Discovery](/about/)
- [Consolidated Full Markdown Export](/llms-full.txt)
- [OpenAPI 3.1 Specification](/api/openapi.json)