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 every puzzle in the TIS-NET DIRECTORY.
Solve every puzzle in the TIS-100 SEGMENT MAP.
Find and solve the hidden puzzle.
Solve SEQUENCE REVERSER without writing any values to a stack memory node.
Solve SIGNAL COMPARATOR without using the JGZ, JLZ, JEZ, or JNZ instructions.
Crash the TIS-100 with the hidden opcode.
Solve SEQUENCE COUNTER without using the SWP instruction.
Solve SELF-TEST DIAGNOSTIC in over 100,000 cycles.
Solve SIGNAL AMPLIFIER in fewer than 100 cycles.
View the TIS-100 manual.