Gravity Sling gravitates to iPhone free with In-App Purchase
Denver-based Riptide Games today announced Gravity Sling 1.0 for iPhone and iPod Touch. Gravity Sling is an inertia based puzzle game where the player must use the gravity of nearby planets to sling the astronaut through space and safely back to the space shuttle. Gravity Sling incorporates the popular OpenFeint platform enabling integrated leaderboards and achievements throughout the game.
