This can be missed if you skip the mini-game. Aim yourself by moving left down, top right, left down, top right, left down, bottom right, top right, left down, top right.
When you reach Lower Ascension Station, you have access to all the food in the first screen. After the food is obtained, eat it from your inventory. The required food items are:
When at Lower Ascension Station, light the three stained glass panels with the lit phosphor cotton candy. Just put that flavor of cotton candy in the niche for each panel, then read them. Note: This must be done before completing the jigsaw puzzle on the third panel.
When at Lower Ascension Station, play with the three levers found to the right of the large machine until it unlocks. The middle lever will break. If it does not unlock after awhile, turn on the cotton candy machine on and play with the levers again. If it still does not unlock, also adjust the lever that changes the cotton candy flavor.
When Goal is rowing and you are talking to her, always select the second dialog option.
When your mine bike is heavy enough with Goal, use the switches to create your route to the bottom right corner of the map. Switches and levers on control panel are set as follows: yellow and green lever down, red lever up, left switch on green, and right switch on red.
Go to the Crane cabin at the junk mine. After assembling three power inverters, use one of them at the blown fuse.
At the Lower Ascension Station, take the pebble in the room with the lamp (near the right exit). After it is in your inventory, walk outside the building and throw it in the green water lake.
Do not skip the puzzle. Instead, rotate it until you have the correct order .
Go to the nuclear waste lake in Chapter 3. Try to drop the pebble to see a Rufus from the future.