There is no secret ending. (the 3 games that do are Grow version 3, Grow Island, and Grow Valley)
There is no secret ending on grow tower.
Swap the order of the water and tower for the panda ending.
There is no secret ending to Grow Cube. To get all levels max, pick in this order: Man Water Plants Bucket Pipe Fire Dish Bone Ball Spring
Grow Cube Regular Ending 1. People 2. Water 3. Plants 4. Bucket 5. Pipe 6. Fire 7. Dish 8. Bone 9. Ball 10. Spring There Is No Secret Ending
There is no secret ending. (the 3 games that do are Grow version 3, Grow Island, and Grow Valley)
There is no secret ending. (the 3 games that do are Grow version 3, Grow Island, and Grow Valley)
There is no secret ending. (the 3 games that do are Grow version 3, Grow Island, and Grow Valley)
There is no secret ending on grow tower.
There is no secret ending.
4, grow island, grow valley, grow ver.1, and grow ver.3 (also known as grow planet).
Swap the order of the water and tower for the panda ending.
There are three: Grow version 3, Grow Island, and Grow Valley. They have Fire, UFO, and Underground secret endings, respectively. There is an easter egg in Grow Nano 2, if you do the items out of order, right to left (cape, twig, ribbon), a link to Grow Vanilla appears along with a password (6438) that lets you play a special version of that game.
The Underground special ending is on Grow Valley. Grow Island has the UFO special ending. (see related questions)
There is no secret ending to Grow Cube. To get all levels max, pick in this order: Man Water Plants Bucket Pipe Fire Dish Bone Ball Spring
Grow Cube Regular Ending 1. People 2. Water 3. Plants 4. Bucket 5. Pipe 6. Fire 7. Dish 8. Bone 9. Ball 10. Spring There Is No Secret Ending
U.F.O ending is on "Grow Island." Grow Valley has the underground alternate ending: 1. Magnifying glass 2. Gear 3. Heart 4. Computer Chip 5. Compass (or is it a surveyor's transit?) 6. Pickaxe 7. Beaker