Here are a few cool math games that you can try:

1. **Coolmath Games** - A website dedicated to brain-training games, including math puzzles, logic games, and strategy challenges. Popular games include "Run 3" and "Fireboy and Watergirl."

2. **Math Playground** - A site with a variety of interactive math games, puzzles, and challenges, focusing on problem-solving and critical thinking.

3. **Prodigy Math** - A fun role-playing game (RPG) that teaches math through quests and battles. It's great for kids but can also be engaging for adults who like gamified learning.

4. **DragonBox** - A series of apps that turn algebra and basic math concepts into engaging puzzles and challenges, ideal for younger learners.

5. **Kahoot!** - While typically a quiz-based platform, Kahoot allows you to create math quizzes or play others' math challenges in a competitive environment.

6. **Sumaze!** - A puzzle game where you solve mathematical puzzles while click here exploring different concepts of numbers and operations.

These games are a fun way to enhance your math skills while playing!