Level Up From "Fireboy and Watergirl" With These 5 Platforming, Co-op or Puzzle Games

Photos Courtesy: That Game Company; Fireboy and Watergirl Online; Retro Games

These days, enjoying the fun of co-op puzzle games needn't require purchasing expensive gaming consoles or equipment. Platforming games like Fireboy and Watergirl have become a huge hit with online audiences, namely because they offer casual players the opportunity to embark on adventures without breaking the bank. 

But why, of all free flash games, has Fireboy and Watergirl proved to be such a hit? Well, the colorful platformer also mixes in a fun dose of puzzle elements and the ability to play cooperatively with a pal. With this in mind, we're taking a look at five other games that will hit on some — if not all — of these features. 

The added bonus? All of these games are relatively expense-free, but they'll substantially level up your gaming experience. So, find your Player 2 and dive into one of these new (or retro) adventures!