Brain Games - Boost memory power with free brain games
World Series of Poker - World Series of Poker is a Card, Trick-based, Puzzle, Single and Multiplayer video game developed and published by Playtika.
Dualnback.works - Dual N-back is a specific brain training exercise, that's been shown by research - it might improve fluid intelligence.
247 Solitaire - 247 Solitaire is a Card Strategy video game.
Pixelogic - Daily Picross - Nonogram logic game with 5000+ puzzles and a daily puzzle
Phase 10 - Phase 10 is a Board, Puzzle and Online Multiplayer Card video game developed and published by Magmic Inc.