Stacker Machine

Ready to Play

Space or Click to drop • F for Fullscreen Tap to drop cats

Game Highlights

Master the Art of Feline Stacking

Time swinging drops, stack bread-loaf kittens, and reach record heights in a 60-second time trial.

Swing & Drop

4 Cat Sizes & Golden Loaf Nesting

Drop 4 size tiers (XL 1.65s, LG 1.50s, MED 1.35s, SM 1.20s). Smaller kittens swing faster. Snug bread-loaf nesting creates a wobbly yet interlocking feline tower!

SM Kitten (1.20s Swing)

MED / LG Bread Layer

XL Post Base (540px)

15% Center Drop

Golden Loaf Nesting

Cat Catalog

24 Collectible Breeds

Customize your active roster in the catalog. Includes rare procedural designs with unique fur palettes and ear styles.

Ginger Tabby Calico Tuxedo Siamese Ragdoll Blue Tabby

Score Bonus

Perfect Drops & Combos

Land kittens within the 15% center zone to trigger Perfect drops, stacking +2 to +5 ft bonus height and accelerating spawn rhythm to 90ms.

+5 ft Max Combo Bonus

60s Session Time Attack

Perfect +2ft x2 +3ft x3 +4ft x4+ +5ft

How to Play

Simple One-Tap Controls

Zero learning curve. Drop kittens using keyboard keys, mouse clicks, or touchscreen taps on any device.

Space / Click

Release & Drop Kitten

Touch Tap

Tap Anywhere on Screen

F

Toggle Fullscreen

Esc

Exit Fullscreen

Atmosphere & Sound

5 Scenic Themes & Procedural Audio

Switch between Sunny Mint, Sunset Cozy, Starry Night, Sakura Bloom, and Retro Studio. Enjoy pure WebAudio procedural sound design with size-differentiated formant meows, satisfying soft-landing paw thuds, and crystal ascending combo chimes.

FAQ

Frequently Asked Questions

Common questions about gameplay, controls, and device compatibility.

Is Cat Stacker Online completely free to play?

Yes, Cat Stacker Online is 100% free to play directly inside your web browser. There are no downloads, subscriptions, account requirements, or in-game payments.

Does it support mobile smartphones and tablets?

Yes. The game is fully responsive and optimized for touch controls on iOS Safari (iPhone / iPad) and Android Chrome browsers.

How does Fullscreen mode work?

Click the Fullscreen button below the game window or press the F key on your keyboard. Click the exit icon at the bottom-right or press Esc anytime to return.

How is the final stacking score calculated?

Your score is measured in feet (ft). It combines the physical height of your cat tower (60px = 1 ft) plus bonus height (+2 ft to +5 ft per drop) earned from precision Perfect center placements within the 60-second session.