Use the in-game cheat `testingcheats true`, then `sims.add_buff buff_Death_Electrocution_Warning` and continue using broken electronics while the Sim is repairing them
Trap the Sim in a room with no exits and place a pool, then remove the ladder in older Sims games; in Sims 4, use other in-game death methods instead
Make the Sim overheat by wearing heavy clothing in hot weather until they die
Make the Sim freeze by keeping them in cold weather without proper clothing until they die
Starve the Sim by not providing food until their needs fail
Remove all bathroom access and let bladder, hunger, and energy needs collapse
Keep the Sim in a fire by using fireplaces, grills, or cooking accidents
Use the Cowplant to let it eat the Sim after repeated feeding cycles
Force the Sim to die from laughter, anger, embarrassment, or other extreme emotions
Use the satellite crash death by selecting the appropriate rocket ship interaction
Use the Murphy bed repeatedly until it kills the Sim
Use the vending machine death by getting crushed while trying to get an item
Use the pufferfish death by making the Sim eat pufferfish nigiri while in a bad mood
Use the rodent death by letting a sick hamster or rat bite the Sim
Use the spellcaster death by overusing magic until the Sim burns out
Use the jungle adventure death by triggering a poisonous trap or cursed relic
Use the vampire death by exposing a vampire Sim to sunlight until they die
Use the mermaid death by removing hydration long enough for the Sim to die
Use the servo or robot-related death if available in your installed packs and gameplay setup