Limited-Time Event — Active Now
The Spring Event 2026 runs through approximately late April/early May 2026. Spend your Spring Egg Tokens before the event ends — they do not carry over.
PS99 Spring Event 2026 Guide
The Pet Simulator 99 Spring Event 2026 runs across two major updates — Update 75 on April 18 and Update 76 on April 25. It features 8 sequential Spring Eggs unlocked with Spring Egg Tokens, a Spring Boss Chest in The Nest that awards raffle tickets toward the Huge Spring Kitten, the Retirement Merchant for trading in old Huge pets, and the ultra-rare Gargantuan Bloom Dominus at Egg 8.
Spring Boss Chest, all 8 Spring Eggs, Gargantuan Bloom Dominus, The Nest, and the Retirement Merchant — complete guide updated for Update 76.
Spring Event 2026 Overview
The Spring Event 2026 runs across multiple major update phases with staggered content drops.
| Update | Release Date |
|---|---|
| Update 75 — Spring Egg Machine | April 18, 2026 |
| Update 76 — Spring Boss Chest | April 25, 2026 |
Spring Egg Machine System
The Spring Event introduces a unique egg progression system separate from normal hatching. Instead of purchasing eggs directly, you progress through 8 Spring Eggs in sequence — each egg is more powerful (and rarer) than the last, with the final egg containing the Gargantuan Bloom Dominus.
Egg Progression
- •Egg 1: Available immediately, no cost to start
- •Eggs 2–8: Unlock by spending Spring Egg Tokens
- •Higher-numbered eggs drop better pets — Huge and Titanic only accessible from later eggs
Spring Egg Tokens
- •Breaking Spring World breakables in any of the 5 spring zones
- •Completing Spring-specific activities
- •Raffle participation and event objectives
The 5 Spring World Zones
| Zone | Access |
|---|---|
| Zone 1 | Open from event start |
| Zone 2 | Token unlock |
| Zone 3 | Token unlock |
| Zone 4 | Token unlock |
| Zone 5: The Nest | Requires Egg 5 unlocked |
The Nest (Zone 5)was added in Update 76 (April 25, 2026). It's the endgame zone of the Spring Event and requires you to have progressed to Egg 5 before you can enter.
Spring Boss Chest
The Spring Boss Chestis the primary farming mechanic introduced in Update 76 (April 25, 2026). It's a large destructible chest located in The Nest.
How It Works
- •Break the Spring Boss Chest to earn Spring Boss Chest Tokens
- •The chest regenerates for repeated farming
- •Every break earns a raffle ticket with a chance at a Huge pet
Upgrade Tracks
All Spring Event 2026 Pets
Huge Pets
| Pet | How to Get |
|---|---|
| Huge Spring Kitten | The Nest raffle (Boss Chest breaks earn raffle tickets) |
| Huge Diamond Chick | Spring Diamond Eggs (1× = 200 Diamonds, 10× = 2,000, 100× = 20,000) |
| Huge Bunny Cat | Hidden eggs in World 1 — 35 hidden eggs spawn every 4 hours with a chance to contain it |
| Huge Special Ops Dog | Exclusive event eggs |
| Huge Special Ops Ram | Exclusive event eggs |
Titanic Pets
| Pet | How to Get |
|---|---|
| Titanic Diamond Chick | Spring Diamond Eggs (rare hatch) |
| Titanic Diamond Monkey | Spring Diamond Eggs (very rare hatch) |
Gargantuan Pet
Spring Diamond Eggs
A parallel hatching system using regular diamonds (not Spring Tokens). Can drop Huge Diamond Chick, Titanic Diamond Chick, and Titanic Diamond Monkey.
| Quantity | Diamond Cost |
|---|---|
| 1× hatch | 200 Diamonds |
| 10× hatch | 2,000 Diamonds |
| 100× hatch | 20,000 Diamonds |
Tip: if spending diamonds on Spring Diamond Eggs, the 100× batch (20,000 diamonds) gives the best per-hatch value.
Hidden Eggs — Huge Bunny Cat
Every 4 hours in World 1, 35 hidden eggs spawn across the map. Each hidden egg contains loot and a chance to hatch the Huge Bunny Cat.
- •Eggs appear in World 1 across various areas — no fixed spawn location pattern
- •They look like standard breakable eggs but appear outside normal egg machines
- •Community Discord and wiki channels often post locations when eggs are spotted
The Retirement Merchant (New — Update 76)
The Retirement Merchant was introduced on April 25, 2026 as part of Update 76. Located in the Trading Plaza (Area 3: Castle).
- • Accepts specific Huge pets in exchange for diamonds
- • The accepted pets rotate — check daily
- • Golden/Rainbow/Shiny variants award bonus diamonds
- • Duplicate Huge pets
- • Older event Huges with decreased trade value
- • Variant Huges (Golden/Rainbow/Shiny) for bonus diamonds
Spring Event Strategy Tips
Frequently Asked Questions
How long is the Spring Event 2026 running?
The event is active through approximately late April/early May 2026. The final date has not been officially announced — watch the BIG Games blog (biggames.io) for the end date.
Do I need to be in World 1 for the hidden egg spawns?
Yes — the 35 hidden eggs spawn specifically in World 1 every 4 hours.
Can I get the Gargantuan Bloom Dominus through trading?
Yes. If another player hatches one, it can be traded. Expect it to command extremely high trade value.
Does the Retirement Merchant accept all Huge pets?
No — the accepted pets rotate. Check in-game daily for which Huge pets it's currently accepting.
Can I get Huge pets from Spring Eggs before Rebirth 2?
Spring Egg hatching follows the same Rebirth 2 rule as regular eggs — Huge pets cannot drop from any egg before completing Rebirth 2.
What do Spring Egg Tokens carry over to after the event?
Spring Egg Tokens are event-specific currency. Unused tokens typically do not carry forward to the next event. Spend them before the event ends.
Is the Huge Diamond Chick tradeable after the event?
Yes. Event Huge pets remain tradeable after the event ends. They often increase in value post-event as supply closes off.
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