KOUJI KAWAI
Get a browser notification when KOUJI KAWAI releases a new game.
Games: 44
Total installs: 228K
Avg rating: ★ 4.72
Ratings: 90
Latest release: Oct 24, 2026
How this studio operates
- Carrier title REVERSI holds 15% of the studio's installs
- Hit rate 0% of launches reach 100k installs (0 of 43 at least 30 days old)
- Release rhythm a new game every ~134 days on average
- Maintenance 5 of 44 games updated in the last 90 days · last update 19 days ago · updates every ~136 days
Listings that changed hands
| Game | Direction | Counterparty | When |
|---|
 Honeycomb Road: Hex Rail Climb |
renamed |
bu-nyan |
Nov 7, 2026 |
 FruitPop |
renamed |
bu-nyan |
Nov 7, 2026 |
 Flash Calc |
renamed |
bu-nyan |
Nov 7, 2026 |
 Flash Arrow |
renamed |
bu-nyan |
Nov 7, 2026 |
 Darts Strike |
renamed |
bu-nyan |
Nov 7, 2026 |
 CHROMALINK 光と色のラインパズル |
renamed |
bu-nyan |
Nov 7, 2026 |
 Block Line |
renamed |
bu-nyan |
Nov 7, 2026 |
 2048 |
renamed |
bu-nyan |
Nov 6, 2026 |
 ライブカメラマップ - リアルタイム映像で天候・交通状況確認 |
renamed |
bu-nyan |
Nov 6, 2026 |
 REVERSI |
renamed |
bu-nyan |
Nov 6, 2026 |
 脳トレ上海 |
renamed |
bu-nyan |
Nov 6, 2026 |
 株価ヨソ王 |
renamed |
bu-nyan |
Nov 6, 2026 |
 スロットマシン |
renamed |
bu-nyan |
Nov 6, 2026 |
 にゃんぱらり15パズル |
renamed |
bu-nyan |
Nov 6, 2026 |
 space shooter |
renamed |
bu-nyan |
Nov 6, 2026 |
 samegame |
renamed |
bu-nyan |
Nov 6, 2026 |
 nankin |
renamed |
bu-nyan |
Nov 6, 2026 |
 flying pukapu |
renamed |
bu-nyan |
Nov 6, 2026 |
 Xmas Present |
renamed |
bu-nyan |
Nov 6, 2026 |
 Touch the Numbers |
renamed |
bu-nyan |
Nov 6, 2026 |
 Suudoku100 Vol.2 |
renamed |
bu-nyan |
Nov 6, 2026 |
 Suudoku100 Vol.1 |
renamed |
bu-nyan |
Nov 6, 2026 |
 Solitaire Royal |
renamed |
bu-nyan |
Nov 6, 2026 |
 Shisen-Sho |
renamed |
bu-nyan |
Nov 6, 2026 |
 SHAKE !SHAKE! |
renamed |
bu-nyan |
Nov 6, 2026 |
 Rotation candy |
renamed |
bu-nyan |
Nov 6, 2026 |
 Rock-paper-scissors |
renamed |
bu-nyan |
Nov 6, 2026 |
 Rock-paper-scissors |
renamed |
bu-nyan |
Nov 6, 2026 |
 Reflexes measurement |
renamed |
bu-nyan |
Nov 6, 2026 |
 Project ST-GX |
renamed |
bu-nyan |
Nov 6, 2026 |
 Poker Mobile League |
renamed |
bu-nyan |
Nov 6, 2026 |
 Please lose |
renamed |
bu-nyan |
Nov 6, 2026 |
 PipeFlow |
renamed |
bu-nyan |
Nov 6, 2026 |
 Photo Memory Match |
renamed |
bu-nyan |
Nov 6, 2026 |
 PIXEL PEEL |
renamed |
bu-nyan |
Nov 6, 2026 |
 NumberSet |
renamed |
bu-nyan |
Nov 6, 2026 |
 Number Place |
renamed |
bu-nyan |
Nov 6, 2026 |
 NoteStream |
renamed |
bu-nyan |
Nov 6, 2026 |
 Ninja Climber |
renamed |
bu-nyan |
Nov 6, 2026 |
 National flag quiz |
renamed |
bu-nyan |
Nov 6, 2026 |
All games
| Game | Style | Rating | Installs | Released |
|---|
|
REVERSI
|
Casual |
— |
10,000+ |
Jan 31, 2012 |
|
Rock-paper-scissors
|
Casual |
— |
10,000+ |
Nov 8, 2011 |
|
Darts Strike
|
Casual |
★ 4.2 |
10,000+ |
Dec 1, 2011 |
|
Touch the Numbers
|
Casual |
— |
10,000+ |
Aug 29, 2011 |
|
flying pukapu
|
Action |
— |
10,000+ |
Jan 21, 2011 |
|
space shooter
|
Arcade |
★ 5.0 |
10,000+ |
May 2, 2011 |
|
Reflexes measurement
|
Casual |
— |
5,000+ |
Oct 26, 2011 |
|
にゃんぱらり15パズル
|
Number |
— |
5,000+ |
Jan 7, 2012 |
|
Number Place
|
Casual |
— |
5,000+ |
Jul 30, 2011 |
Mine sweeper
|
Nonogram / Logic |
— |
5,000+ |
Aug 26, 2011 |
|
Suudoku100 Vol.2
|
Sudoku |
— |
1,000+ |
Oct 29, 2011 |
|
Xmas Present
|
Casual |
— |
1,000+ |
Nov 24, 2011 |
|
FruitPop
|
Other |
★ 5.0 |
1,000+ |
Sep 28, 2011 |
|
samegame
|
Casual |
— |
1,000+ |
Sep 20, 2011 |
|
Shisen-Sho
|
Mahjong / Tile |
— |
1,000+ |
Dec 27, 2010 |
|
Flash Calc
|
Other |
— |
1,000+ |
Sep 5, 2011 |
|
Suudoku100 Vol.1
|
Sudoku |
— |
1,000+ |
Oct 4, 2011 |
|
National flag quiz
|
Casual |
— |
1,000+ |
Nov 23, 2011 |
|
PipeFlow
|
Casual |
— |
1,000+ |
Oct 19, 2011 |
Inequality
|
Arcade |
— |
1,000+ |
Sep 12, 2011 |
|
NumberSet
|
Arcade |
— |
1,000+ |
Aug 4, 2011 |
|
Please lose
|
Other |
— |
1,000+ |
Jan 18, 2012 |
|
nankin
|
Other |
— |
1,000+ |
Dec 29, 2010 |
Janken Cosmic Panic!
|
Arcade |
— |
500+ |
Dec 6, 2011 |
LightsOut
|
Other |
— |
500+ |
Sep 30, 2011 |
|
Flash Arrow
|
Casual |
— |
500+ |
Nov 12, 2011 |
|
2048
|
Number |
— |
500+ |
May 31, 2014 |
ImitationBlock
|
Casual |
— |
100+ |
Sep 18, 2011 |
|
SHAKE !SHAKE!
|
Sports |
— |
100+ |
Jan 5, 2026 |
JellyConnect
|
Other |
— |
100+ |
Nov 28, 2025 |
|
Rock-paper-scissors
|
Card |
— |
50+ |
Mar 8, 2012 |
Mugen Jigsaw
|
Jigsaw |
— |
10+ |
Jan 26, 2026 |
|
Ninja Climber
|
Action |
— |
10+ |
Jan 2, 2026 |
|
Solitaire Royal
|
Card |
— |
10+ |
Jan 7, 2026 |
|
Rotation candy
|
Arcade |
— |
10+ |
Aug 4, 2011 |
|
Block Line
|
Block / Blast |
— |
10+ |
Feb 10, 2026 |
|
Project ST-GX
|
Arcade |
— |
10+ |
Jan 30, 2026 |
|
CHROMALINK 光と色のラインパズル
|
Nonogram / Logic |
— |
5+ |
May 15, 2026 |
|
PIXEL PEEL
|
Other |
— |
5+ |
May 24, 2026 |
|
株価ヨソ王
|
Other |
— |
5+ |
Jan 4, 2026 |
Mosaic Museum
|
Casual |
— |
1+ |
Jun 29, 2026 |
|
脳トレ上海
|
Mahjong / Tile |
— |
1+ |
Sep 22, 2026 |
|
Photo Memory Match
|
Card |
— |
1+ |
Sep 26, 2026 |
|
Honeycomb Road: Hex Rail Climb NEW
|
Other |
— |
1+ |
Oct 23, 2026 |
