Kostas Giannakakis Apps

Einstein's Riddle

Einstein's Riddle 4.60

3.8/5100,000+4/23/2025

Try to solve the famous "Einstein's Riddle" and many of its variations!

Free Casual Android Game by Kostas Giannakakis

DOWNLOAD APK 23MB

Card Games

Card Games 1.71

2.5/510,000+3/23/2025

Two popular card games.

Free Casual Android Game by Kostas Giannakakis

DOWNLOAD APK 19MB