MULTIPLAYER
NOW IN PRODUCTION • COMING Q1/Q2 2026
PRACTICE
Practice in singleplayer mode.
BLITZ
A two-minute element game where speed is key.
ABOUT
All information about CHEM.IO.
NOTPAPERMARIO
OWNER, CREATOR, HEAD PROGRAMMER, UI/UX DESIGNER
ADMINISTRATOR, SYSTEM OPERATOR, MODERATOR
SPECIAL THANKS TO
CICACIXALA
FRIEND
RYBOLOV
FRIEND
VZACNAPALACINKA
FRIEND
HIDDENG
FRIEND
RATOFDOOM
FRIEND
RNDr. HENRIETA JAMBOROVÁ
Mgr. JANA GAJKOVÁ
MY PARENTS, MY RELATIVES & MY CLASSMATES
yes, all of you
FOR DEVELOPERS
CURRENT VERSION
VIEW ABOUT
View the full about page.
SUMMON WHAT'S NEW MENU
Show the current updates' What's New! menu again.
OPEN SOURCE ACKNOWLEDGEMENTS
View the open-source software this game uses and includes and their sources.
CHANGELOG
View the changelogs for each update.
PRACTICE
Practice in singleplayer mode.
Whether you want to get better at navigation in the PToE, memorize the element names or anything for that matter, PRACTICE MODE is just for you! Practice, train or learn in this solo standoff against the Periodic Table of Elements!
SELECTED ELEMENTS
EVERYTHING
EDIT
START
BLITZ
A two-minute element game where speed is key.
Looking for a challenge? In BLITZ MODE you will have to get the most amount of points in just 2 MINUTES! How many can you get?
HIGHEST SCORE
0
SELECTED ELEMENTS
EVERYTHING
EDIT
START
DISALLOW
Choose which groups of elements to disallow from showing up.
I.A
II.A
III.B
IV.B
V.B
VI.B
VII.B
VIII.B
I.B
II.B
III.A
IV.A
V.A
VI.A
VII.A
VIII.A
H
Li
Na
K
Rb
Cs
Fr
Be
Mg
Ca
Sr
Ba
Ra
Sc
Y
Ti
Zr
Hf
Rf
V
Nb
Ta
Db
Cr
Mo
W
Sg
Mn
Tc
Re
Bh
Fe
Ru
Os
Hs
Co
Rh
Ir
Mt
Ni
Pd
Pt
Ds
Cu
Ag
Au
Rg
Zn
Cd
Hg
Cn
B
Al
Ga
In
Tl
Nh
C
Si
Ge
Sn
Pb
Fl
N
P
As
Sb
Bi
Mc
O
S
Se
Te
Po
Lv
F
Cl
Br
I
At
Ts
He
Ne
Ar
Kr
Xe
Rn
Og
LANTANOIDY
La
Ce
Pr
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
AKTINOIDY
Ac
Th
Pa
U
Np
Pu
Am
Cm
Bk
Cf
Es
Fm
Md
No
Lr
GAME SUMMARY / BLITZ
1,234
PERCENTAGE / RATIO
89.58% - 879/1,234
SELECTED ELEMENTS
EVERYTHING
EDIT
AGAIN
BACK
WHAT'S NEW!
COOL!
