The lineup of free PlayStation Plus games for the month of August has been revealed for the United States and Canada, thanks to the discovery of a video on the PlayStation YouTube channel. As is now the norm, it consists of two games each for the PlayStation 4, PlayStation 3, and PlayStation Vita. Several of the games have been out for some time, while two others will be free as soon as they launch in August.

One such game is Road Not Taken (launching August 5), a sort of roguelike puzzle game from Spry Fox, makers of the hit mobile game Triple Town. (We got a look at the game at E3 and walked away intrigued.) Also free for Plus members with a PS4 is Fez, the brilliantly designed puzzle-platformer from developer Phil Fish.

PS3 owners get a pair of games originally released last year: first-person shooter Crysis 3 and open-world exploration game Proteus.

Vita owners get Vanillaware's gorgeous 2D action RPG, Dragon's Crown (having gotten Dragon's Crown previously, Europeans get Lego Harry Potter: Years 5-7), and one game releasing for the first time on August 5: Metrico. This is another game that falls loosely within the boundaries of the puzzle-platformer genre, but it offers a difficult-to-explain twist by making infographics a centerpiece of the gameplay.

Three of August's games are available on multiple systems with cross-buy support (Fez on PS4, PS3, and Vita; and Proteus on PS3 and Vita), meaning you'll end up with more than two free games on PS3 and Vita. Dragon's Crown doesn't support cross-buy with its PS3 and Vita versions, but according to a PlayStation Blog comment from Sony's Kristine Steimer, Plus members will get both versions.

As always with Plus games, these are free to download for all PlayStation Plus members and remain yours for as long as you continue subscribing to the service.

Which of these games are you most looking forward to picking up during August? Let us know in the comments.

PS4:

Road Not Taken (out August 5) -- read our preview

Fez (out now) -- read our review

PS3:

Vita: