military veteran gets drawn into a program to rehabilitate by hunting civilians

One night per year, the government sanctions a 12-hour period in which citizens can commit any crime they wish -- including murder -- without fear of punishment or imprisonment. Leo, a sergeant who lost his son, plans a vigilante mission of revenge during the mayhem. However, instead of a death-dealing avenger, he becomes the unexpected protector of four innocent strangers who desperately need his help if they are to survive the night.

Two years after choosing not to kill the man who killed his son, former police sergeant Leo Barnes has become head of security for Senator Charlene Roan, the front runner in the next Presidential election due to her vow to eliminate the Purge. On the night of what should be the final Purge, a betrayal from within the government forces Barnes and Roan out onto the street where they must fight to survive the night.

Katniss Everdeen reluctantly becomes the symbol of a mass rebellion against the autocratic Capitol.

64 years before he becomes the tyrannical president of Panem, Coriolanus Snow sees a chance for a change in fortunes when he mentors Lucy Gray Baird, the female tribute from District 12.

In the future, the Japanese government captures a class of ninth-grade students and forces them to kill each other under the revolutionary "Battle Royale" act.

It's three years after the events of the original Battle Royale, and Shuya Nanahara is now an internationally-known terrorist determined to bring down the government. His terrorist group, Wild Seven, stages an attack that levels several buildings in Tokyo on Christmas Day, killing 8000 people. In order for the government to study the benefits of "teamwork", the new students work in pairs, with their collars electronically linked so that if one of them is killed, the other dies as well. They must kill Nanahara in three days - or die.

Six people unwittingly find themselves locked in another series of escape rooms, slowly uncovering what they have in common to survive... and discovering they've all played the games before.

A group of civilians run for their freedom when they find themselves caught in the middle of a Black Ops program designed to cure PTSD.

To confront his past trauma, an amputee veteran acts in a hyperrealistic military simulation.

When boredom, pride and a mad second of misjudgement leaves a hunter shot dead by one of five combat veterans also hunting in the Canadian hills, it is expected a police investigation will follow, but when the veterans discover the incident has not been reported, the leader of the team, Major Rex suspects the other party maybe plotting revenge. Convinced that he, his party, and their families will be targets themselves he decides to beat his suspected assailants at their own game, grouping together more army comrades and stocking up an arsenal of weapons for the forthcoming battle.