Here is the full list of all 10 TIS-100 achievements. It takes around 4-5 hours to unlock all of the achievements on Windows.
Solve SEQUENCE REVERSER without writing any values to a stack memory node.
View the TIS-100 manual.
Solve SELF-TEST DIAGNOSTIC in over 100,000 cycles.
Solve SIGNAL AMPLIFIER in fewer than 100 cycles.
Solve SIGNAL COMPARATOR without using the JGZ, JLZ, JEZ, or JNZ instructions.
Solve SEQUENCE COUNTER without using the SWP instruction.
Crash the TIS-100 with the hidden opcode.
Find and solve the hidden puzzle.
Solve every puzzle in the TIS-100 SEGMENT MAP.
Solve every puzzle in the TIS-NET DIRECTORY.