Here is the full list of all 47 Spider-Man: Edge of Time achievements worth 1,000 gamerscore.
Completed all levels on Hard
Executed a 200-hit combo
Obtained all Alternate Suits
Obtained all Golden Spiders
Web of Challenges - Obtained all Gold Medals
Completed all levels on Normal
Obtained all Newspapers
Completed Act 3 on any difficulty level
Defeated the CEO on any difficulty level
Defeated Atrocity on any difficulty level
Executed a 100-hit combo
Bought all Combat Upgrades
Bought all Character Upgrades
Teleported back to Alchemax with the Key
Brought the Incinerator to Maximum Power
Performed 3 of each Air Attack on enemies
Performed 3 of each type of Grab Attacks on enemies
Retrieved all three DNA Samples from the knocked-out Atrocity
Collected 2000 Orb Fragments
Analyzed all Data Modules
Obtained 1/2 of the Golden Spiders
Damaged enemies with Roundhouse Spin and Web Hammer 10 times each
Completed Act 2 on any difficulty level
Defeated Black Cat on any difficulty level
Saved Mary Jane
Gained access to the Future Restricted Area
Evaded 100 attacks with Hyper-Sense
Gained access to the Restricted Archives Computer
Defeated 500 enemies
Collected all three Atomic Fuses
Collected 1000 Orb Fragments
Web of Challenges - Obtained all Gold Medals for an Act
Obtained 1/4 of the Golden Spiders
Completed a Freefall section by boosting the entire time
Web of Challenges - Obtained all Gold Medals for a Chapter
Executed a 50-hit combo
Completed Act 1 on any difficulty level
Defeated Anti-Venom on any difficulty level
Avoided 100 attacks with Accelerated Decoy
Stopped the future from becoming a radioactive wasteland
Floor 66 Reached
Collected 500 Orb Fragments
Defeated 100 enemies
Erased the Prototype Combat Robot from existence
Completed Session 3 or later without dying
Foreseen the death of Spider-Man
Spider-Man was down and out