You’re on the fun rail now. Hold tight!
Let's circle around the map and throw the enemies off course!

Tiny Knights, Mighty Together!
Merge heroes to be even stronger!
Today's luck might just change the fate of your deck!

Think Hard... or Don't?!
Tired of boring, fixed-path defense games?
Move around the map and craft your own strategies!
And if all else fails—just spin it like crazy! RUSH! RUSH!

🎮 Defense, Strategy, Merging, RNG, Roguelike— It’s All Here!
Summon random heroes to build your ultimate deck.
Team up with heroes and pets to conquer the dungeon and outsmart powerful bosses!

🐾 Adorable Yet Fearsome Pets Await!
Don’t be fooled by their cute looks.
When it comes to impact, they absolutely deliver—BAM BAM!

⚡ Warning ⚡
Once you start, you won't be able to stop...
Join the Rail Defense now!