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Pet Simulator 99 update archive

Public sources checked

This is the full index from the official log, newest first. 2026 holds updates 73 to 100 (28 rows). 2025 holds 32, 2024 holds 36, and 2023 holds 4, starting at Update 1 on 9 Dec 2023. An old video that says Update 12 is not talking about a 2026 patch. Match the date in the table before you follow a guide.

Updates 100 down to 1, from the official log checked 2026-11-02
#DateTitleNotes
100 2026-10-31 Halloween Games! Official notes
99 2026-10-24 PSX Classic! Official notes
98 2026-10-17 Diamond Mountain! Official notes
97 2026-10-10 Blood Moon! Official notes
96 2026-10-03 Hatch Wars! Official notes
95 2026-09-26 Space Forge! Official notes
94 2026-09-19 Space Mine! Official notes
93 2026-09-12 Coin Craft! Official notes
92 2026-09-05 Coin Arcade! Official notes
91 2026-08-29 Lucky Block Blitz! Official notes
90 2026-08-22 Lucky Block Breakout! Official notes
89 2026-08-15 Fiesta Forever! Official notes
88 2026-08-08 Piñata Maze! Official notes
87 2026-08-01 Plant & Combine! Official notes
86 2026-07-25 Pets vs. Coins! Official notes
85 2026-07-18 Tap Gauntlet! Official notes
84 2026-07-11 Tap Heroes! Official notes
83 2026-07-04 Soccer Shootout! Official notes
82 2026-06-27 WORLD CUP! Official notes
81 2026-06-20 Backrooms Game Over! Official notes
80 2026-06-13 Backrooms Daydream! Official notes
79 2026-05-16 Void RNG! Part 2 Official notes
78 2026-05-09 Void RNG Event! Official notes
77 2026-05-02 Trials & Combine! Official notes
76 2026-04-25 Spring Boss Chest! Official notes
75 2026-04-18 Spring Egg Machine! Official notes
74 2026-03-21 New Lucky Race! Official notes
73 2026-03-14 Lucky Gargantuan Raid! Official notes
72 2025-12-20 Christmas Update! Official notes
71 2025-10-25 Autumn Event! Official notes
70 2025-10-18 Halloween Event! Official notes
69 2025-07-19 Gargantuan Party! Official notes
68 2025-07-12 Summer Block Party! Official notes
67 2025-07-05 Bench a Gargantuan! Official notes
66 2025-06-28 Muscle Beach! Official notes
65 2025-06-21 Flying Units! Official notes
64 2025-06-14 Tower Defense! Official notes
63 2025-06-07 Basketball Leagues! Official notes
62 2025-05-31 Yeet a Basketball! Official notes
61 2025-05-24 Grow Rainbow Pets! Official notes
60 2025-05-17 Grow an Egg! Official notes
59 2025-05-10 Fantasy World! Official notes
58 2025-05-03 Fish Frenzy! Official notes
57 2025-04-26 Easter Boss! Official notes
56 2025-04-19 Easter Event! Official notes
55 2025-04-12 Slime Tank! Official notes
54 2025-04-05 Slime Factory! Official notes
53 2025-03-29 Pickaxe Enchants! Official notes
52 2025-03-22 Mine & Combine! Official notes
51 2025-03-15 Raid Bosses! Official notes
50 2025-03-08 Lucky Raid! Official notes
49 2025-03-01 Meme Cards! Official notes
48 2025-02-22 Trading Cards! Official notes
47 2025-02-15 Titanic Tower! Official notes
46 2025-02-08 Valentine's Tower! Official notes
45 2025-02-01 Matryoshka Egg! Official notes
44 2025-01-25 Cannon Tycoon! Official notes
43 2025-01-18 Titanic Games! Official notes
42 2025-01-11 Pet Games! Official notes
41 2025-01-04 Doodle Battle! Official notes
40 2024-12-28 Grinch Takeover! Official notes
39 2024-12-21 Gargantuan Update! Official notes
38 2024-12-14 Titanic Present! Official notes
37 2024-12-07 Secret Santa! Official notes
36 2024-11-30 Anniversary Gift! Official notes
35 2024-11-23 COMBINE-O-MATIC! Official notes
34 2024-11-16 Stand in Line for Titanic! Official notes
33 2024-11-09 Stand in Line for Huge! Official notes
32 2024-11-02 Olympus World! Official notes
31 2024-10-26 Trick or Treat! Official notes
30 2024-10-19 Halloween Event! Official notes
29 2024-09-21 Elemental World! Official notes
28 2024-09-07 Sad Egg! Official notes
27 2024-08-31 Color War Event! Official notes
26 2024-08-24 Kawaii World! Official notes
25 2024-08-17 RNG Event! (Part 2) Official notes
24 2024-08-10 RNG Event! Official notes
23 2024-08-03 Dino Lab Tycoon! Official notes
22 2024-07-27 SpongeBob Egg! Official notes
21 2024-07-20 Millionaire World! Official notes
20 2024-07-13 Disco Party! Official notes
19 2024-07-06 Lucky Tiles Event! Official notes
18 2024-06-29 Angels vs. Demons! Official notes
17 2024-06-22 Good vs. Evil Event! Official notes
16 2024-06-15 Virus Update! Official notes
15 2024-06-08 Hacker World! Official notes
14 2024-06-01 Obby World! Official notes
13 2024-05-25 Police Update! Official notes
12 2024-05-18 Prison Update! Official notes
11 2024-05-11 Deep Backrooms Event! Official notes
10 2024-05-04 Backrooms Event! Official notes
9 2024-04-27 Glitched Update! Official notes
8 2024-04-06 Nightmare Update! Official notes
7 2024-03-16 Electric Update! Official notes
6 2024-02-24 Tech World! Official notes
5 2024-01-20 Heaven Update! Official notes
4 2023-12-30 New Year's Event! Official notes
3 2023-12-23 Christmas Eve Update! Official notes
2 2023-12-16 Christmas Update! Official notes
1 2023-12-09 First Update! Official notes

How to identify the guide you need

Search by update number if a video or old screenshot includes it. Search by title when the player remembers a mechanic such as Blood Moon, Space Mine or Halloween Games. The number is the reliable ordering key: an image can be reused, and the same pet can appear in more than one announcement. Every row points to the official post so you can check its publication date before using a walkthrough.

The archive records releases, not the current availability of every reward. A feature introduced in October can have its own contest duration, reward claim date or trade restriction. Those dates are not interchangeable with the next weekly patch. Likewise, an egg still present in the public collection is not proof that its event portal remains open. For the newest promoted activity, use the latest update and event index rather than interpreting the oldest matching archive row as current.

Hatch Wars artwork from the official notes
Hatch Wars art, one of the 2026 rows.
Diamond Mountain Yeti from the official notes
Diamond Mountain art, Update 98.
Update 100 Halloween Games artwork from BIG Games

Questions

How many Pet Simulator 99 updates are there?

100 on the official log as of 2 Nov 2026.

Where are the patch notes?

Each row links the BIG Games post for that number.

Sources

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