The objective of Resistor is to build connections to carry electrical flow to activate LEDs (light emitting diodes). To avoid damaging these components, the flow level must be reduced using resistors. Each level is graded upon number of pieces used, the luminosity of the LEDs, and the time required to complete the level. This game teaches the basics of resistor color code values.
Each level has a power source with an electric flow level. Use wires (A button) to connect this power source to all of the LEDs on the level. Be careful to not connect a wire that has a higher electrical flow value than the number displayed on the LED, otherwise the LED will be destroyed and the game will end. To lower the electrical flow, use a resistor (X button) to lower the electrical flow of the wire. The target is to use a resistor that will lower the electrical flow just enough to activate the LED. Lowering the electrical flow too much will still activate the LED, but the luminosity grade for the stage will be penalized. After every ten levels, a new higher level resistor will be awarded. The currently selected resistor can be changed using the bumper buttons (LB and RB). Complete the levels as quickly as possible with the fewest number of pieces to get the best grade rankings.