Just a quick heads-up to frugal gamers out there: the colorful, trippy, blissful Whale Trail is free to download today. In it, you use a one-button control scheme to pilot an airborne sea mammal through the sky. The goal is to collect colorful bubbles and avoid angry storm clouds. It’s simple, but it’s a lot of fun. Click here to read the review and download this psychedelic romp for free.