eSoft Interactive
521
Shareware
You can save your progress at any time and supports custom word lists.
2
Absolutist.com
42
Demo
Play Checkers against your own articifial-intelligence enhanced machine.
2
Challenge Casino
71
Freeware
Challenge Casino features over 458 of the very best online casino games.
1
Gestalt Games
250
Shareware
Hidden Object Games that involves some elements of puzzle solving.
Trivia Challenge LLC.
2
Commercial
Trivia Challenge is a team-based game, designed to be played during dinner.
PrepLogic
1
Shareware
It includes 245 challenging questions inside 7 test modules.
1
actuarialtests
5
Shareware
Exam P/1 CBT Practice Tests includes 200 challenging questions.
Pearson VUE
34
Freeware
Test your knowledge with challenging questions contained in this tutorial.
155
MumboJumbo, LLC
48,815
Shareware
Mad Caps is an enjoyable and challenging puzzle game.
49
SuperTux Development Team
5,731
Open source
Play an entertaining and challenging arcade game on your Windows PC.
27
Reflexive Entertainment
8,119
Shareware
Big Kahuna Reef is an entertaining and challenging puzzle game.
11
JoWooD Productions Software AG
641
Demo
It is a challenging racing game and the first ”historic" rally simulation.
61
StepMania Team
7,157
Open source
StepMania is a challenging dancing game with multiple playing modes.
22
Trian Software
170
Shareware
King is a challenging card game, belonging to a class of desktop, logical games.
7
Dark Fox
416
Commercial
Silent Heroes is an exciting and challenging strategy game developed by Paradox.
