- Tap the square where you can see a white circle to get a metal wire.
- Press the right arrow. Tap the middle of the counter to zoom in. Get the paper towel, powder underneath it, and a knife. Zoom out.
- Still at the same area, tap the top right drawer of the counter (underneath the fruits) to open it. Get the match and the roller. Zoom out.
- Press the right button. Tap the window to zoom in. Get a marble from the orange dish.
- Double tap on your match in your inventory to zoom in and combine it with the knife to get some red phosphorus powder.
- Double tap on your white powder to zoom in and combine it with the red phosphorus to get a dark brown colored powder.
- Double tap on your roller to zoom in and use the knife on it.
- Double tap on your paper towel rack to zoom in and combine it with your new roller.
- Still at your new combination of roller and papel tower rack combine it with your metal wire, matchbox, brown powder, and marble. Zoom out.
- Go in front of the door. Equip your homemade gun and tap on it.
Door opens. Welcome to level 22.