The world is facing an environmental crisis.

Years ago, a group of researchers feared that one day we might reach this point.

So they prepared something for the future and sealed it inside four locked boxes.

They left one condition:

Only those who are ready to protect the future should discover what lies inside.

Complete each challenge to find the combination that opens each box.

There are 4 boxes in total.

Each box has a different challenge.

After you do the challenge or select an answer, a lock combination will be calculated and appear on screen.

The combination will work only if you select all answers correctly.

To open a box, you must input the correct number combination.

Tap “Unlock” to open the lock.

If the combination is correct, you will unlock the box and will be able to proceed to the next box.

After opening all 4 boxes, You will find the secret to a greener future and complete the game!