Monster Update guide
Steal An Egg Monster Update
The Monster Update went live on August 29, 2026. Find a special Infested Egg, feed it to The Hungry Monster (a hungry frog at the Safe Zone entrance), and fill the meter to 100% to receive a Monster Chest — with a documented reward table headlined by the 1.5% Monstrous Egg jackpot.
Quick facts
- Event window
- Aug 29 → Sep 5, 2026*
- Monster location
- Safe Zone entrance, beside the sell-vendor tent
- Egg spawn
- Snow onward
- Egg identifier
- Purple glow
- Progress per egg
- +20%
- Chest threshold
- 5 eggs / 100%
*End date reported by a single guide. The loop itself is verified from the official in-game card.
The Hungry Monster Event
Find the egg, feed the monster, then claim the chest.
Hungry Monster Quick Guide
The complete loop in three player actions.
- 01 · FIND & STEAL
Find an Infested Egg
Check for the purple glow, then steal the egg. The official card says Snow onward; IGN reports they can spawn in any biome — so search everywhere.
- 02 · FEED
Bring it to the frog
Deliver the egg to The Hungry Monster at the Safe Zone entrance. Each feed adds +20% and consumes the egg.
- 03 · CLAIM
Reach 100%
Feed 5 eggs to make the monster produce a Monster Chest, which goes into your inventory to open whenever you like.
1. Find an Infested Egg
The item is shown under three names in guides and in-game, so it has one canonical entry here.
The official card says Infested Eggs begin spawning from the Snow area onward. IGN's live-event guide (Aug 29) reports they can appear in any biome, including low-level ones, and that more than one can be collected per night cycle. The interaction prompt is “Steal Parasite Egg.”
2. Feed The Hungry Monster
Every verified feed adds the same amount, and the egg is gone for good.
| Infested Eggs Fed | Monster Progress |
|---|---|
| 1 | 20% |
| 2 | 40% |
| 3 | 60% |
| 4 | 80% |
| 5 | 100% |
Completion target
5 Infested Eggs
= 100% progress
3. Claim the Monster Chest
The chest appears only after the meter reaches its full verified threshold.
Once The Hungry Monster reaches 100%, he produces a Monster Chest. It goes straight into your inventory, and its contents stay hidden until you open it — so you can stock up and open chests whenever you want.
Monster Chest Rewards & Odds
Two independent guides list the same table — the odds below are theirs, not official numbers.
| Reward | Reported chance | Type |
|---|---|---|
| 1.25x Egg Growth (5 min) | 43.5% | buff |
| 1.25x Speed (5 min) | 30% | buff |
| 2x Treadmill Speed (5 min) | 20% | buff |
| Flyswatter | 5% | weapon |
| Monstrous Egg with Monstrous Mutation | 1.5% | egg |
Source: IGN's Monster Chest guide, cross-checked against Pro Game Guides' Hungry Monster guide. Not an official drop table.
Flyswatter 5%
A mid-tier chest pull that works like the Bat: it knocks a hit player back and forces them to drop the egg they carry. IGN lists it as the “Flyswatter Bat.”
Monstrous Egg 1.5%
The jackpot pull: a Monstrous Egg that arrives with the Monstrous Mutation pre-applied — the only pet-type reward in the documented table.
The 12 Monster Egg Pets
What the documented Monster Egg hatches, and where to get one.
IGN's updated pet index documents a 12-pet Monster Eggs family: Scorpio (Legendary), Froggo (Mythic), Crawler (Cosmic), Crocodon (Secret), Krakenoid (Eternal), Dreadscale (Divine) — plus Mecha variants of all six at the same rarity ladder.
Three acquisition paths are reported: the Monster Chest's 1.5% Monstrous Egg pull, the Titan Temple biome (the new 7B-Speed endgame area), and the Robux shop. Incomes for this family are listed as unknown — see the Monster Egg page for the full pool.
Six Mystery Slots — Candidates Identified
This earlier preview's slot count now has a documented candidate set, but no official mapping.
Pet · status verifying
Pet · status verifying
Pet · status verifying
Pet · status verifying
Pet · status verifying
Pet · status verifying
0 / 6 preview slots are officially classified. Candidate set: Scorpio, Froggo, Crawler, Crocodon, Krakenoid, Dreadscale. Per-slot identity, plus how the Mecha variants fit, stays deliberately absent until a source documents the mapping.
Source honesty
What the sources verify, and what they do not.
Related pages
More verified Steal An Egg information.
FAQ
When does the Hungry Monster event run?
The Monster Update went live on August 29, 2026. Pro Game Guides reports the Hungry Monster event runs until September 5, 2026 — that end date comes from a single guide and has not been confirmed by the developer.
Where do I find The Hungry Monster?
The Hungry Monster is a hungry frog at the entrance of the Safe Zone, right beside the sell-vendor tent (IGN, Aug 29).
Where do Infested Eggs spawn?
The official in-game card says from the Snow area onward; IGN's live-event report says they can appear in any biome, including low-level ones. Both are recorded — search everywhere until the split is settled.
How do I identify an Infested Egg?
Look for the purple parasite / purple glow on the egg. The interaction prompt can call it “Steal Parasite Egg.”
How many Infested Eggs does The Hungry Monster need?
Each Infested Egg adds 20% progress, so feeding 5 eggs reaches 100%. Feeding consumes the egg — the frog eats both the egg and its parasite.
What are the Monster Chest rewards and odds?
Two independent guides list the same table: 1.25x Egg Growth for 5 minutes (43.5%), 1.25x Speed for 5 minutes (30%), 2x Treadmill Speed for 5 minutes (20%), the Flyswatter (5%), and the Monstrous Egg with the Monstrous Mutation (1.5%).
What is the Flyswatter in Steal An Egg?
A Monster Chest reward (reported 5% chance) that works like the Bat: hitting a player knocks them back and makes them drop the egg they carry.
What hatches from the Monster Egg?
Twelve documented monster pets: Scorpio, Froggo, Crawler, Crocodon, Krakenoid, Dreadscale and their Mecha variants, spanning Legendary to Divine. Their incomes are still listed as unknown.
Are Parasite Eggs and Infested Eggs the same thing?
The official instructions use both names in the same Hungry Monster feeding flow (IGN also writes “Infected Egg”). This guide treats all three as aliases of one event item.