In the mobile version of TMNT: Shredder's Revenge, there are 17 achievements :

• "Complete Season" : Complete the Story Mode
• "Complete Cast!" : See all of the different endings in Story Mode
• "Classic Couch Memories" : Complete the Arcade Mode in multiplayer
• "Like the Old Days!" : Complete the Arcade Mode on the hardest difficulty
• "Master of One Quarter" : Complete the Arcade Mode without using a credit
• "Most Fearsome Fighting Team!" : Complete a Stage in any mode in multiplayer
• "Teamwork" : Perform 10 Team Attacks in multiplayer
• "Kind Brother" : Revive a teammate in multiplayer
• "Sharing is Caring!" : Cheer up the same teammate 3 times in a single stage
• "Biggest Fan!" : Find all cameos in Story Mode
• "Multitasker" : Complete all of the special requests in Story Mode
• "Breaking Out!" : Destroy 200 breakable objects
• "Cowabunga It Is" : Perform a 250-hits string
• "Pizza Time!" : Eat 20 pizzas
• "Opening an Antique Store?" : Find 5 different collectibles in Story Mode
• "No need for Mutagen!" : Bring all characters to max Power Level in Story Mode
• "Return to Sender" : Deflect 10 projectiles

Please note that there are no secrets achievements !