If you died at any point in the game or didn't complete the game in less than 3 hours, rest assured that you don't need to play the entire game again, just follow the tip below and get the 2 most boring achievements in the game (Faster than Electricity and Flawless Survivor).
*For the following procedure you need to have a USB keyboard and connect it to the console*
After completing the game campaign, start a New Game and on the prologue's initial screen press the key that contains these symbols on your keyboard }] (This key is on the left side of Enter in the center of the keyboard) and a small window will open To enter console commands, now type travel EscapePod_Area and press Enter to be taken to the last part of the game, now just wait for the final scene without skipping and the achievements will be unlocked.