Element merging
Two matching element tiles merge into the next atomic number: H + H -> He, He + He -> Li.
Element merging puzzle game
Slide, merge, and light up the periodic table
Start from hydrogen, merge matching tiles into the next atomic element, clear target-based levels, and grow your element collection one discovery at a time.
Lv 12Level 12
OTarget
42%Collection lit
REACTION BENCH
H -> He -> Li
Level 12
Moves left 18
Target
O
8 Oxygen
HHydrogen1
HeHelium2
LiLithium3
BeBeryllium4
BBoron5
CCarbon6
NNitrogen7
OOxygen8
FFluorine9
NeNeon10
Star path ★★★
Collection lit 42%
Launch pages
Public pages
Core loop
Built like the game
Target levels
Each level has a target element, move limit, and star rating for focused short sessions.
Element archive
New discoveries unlock collection entries with periodic table placement and short descriptions.