Produced by YNOT Studios and Reliance Entertainment, the film stars Taapsee Pannu as a woman with PTSD who is defending her home from a mysterious intruder.
She has a fear of darkness, and also has post-traumatic stress more so known as 'anniversary reaction', a condition which triggers unsettling feelings around the anniversary of a traumatic event.
Varsha nervously reveals that she made her tattoo with an ink mixed with a stranger's ashes by mistake, but later tried to contact her many times to inform her about it but wasn't able to get in touch with her.
Reena comforts and encourages Swapna, saying that she feels her daughter is with her in the form of her tattoo and will want her to fight no matter what the outcome is.
Wanting to make sure it was all just a dream, she looks out the window with Kalamma to spot the security guard, but they are horrified to see his headless body on the ground.
She struggles for a bit but doesn't switch the light on this time, finally overcoming her fear of darkness in the process, while the killers, who had just beheaded the security guard take their positions, one outside the front door, one outside her room window and one going to the terrace.
Swapna first calls the police and then switches off the light of the whole house, which stops the killer outside her room window to record anything inside, confusing him.
Finally, with all the killers dead and Kalamma still alive, Swapna is overwhelmed with emotions just as the fireworks are set off in the sky for a new year.
[5] The first look poster of the film was unveiled on 10 October 2018, which displayed Taapsee sitting in a wheelchair with legs in plaster casts.
[8] The official film score is composed by Ron Ethan Yohann who had worked with Ashwin Saravanan in Maya and Iravaakaalam.
[12] Nandini Ramnath of Scroll.in praises Pannu and Vaidyanathan for their 'doughty performance' and opines that the writers have delivered a taut and highly watchable thriller.
Praising the performance of Taapsee Pannu and direction of Ashwin Saravanan, Anna says, "Game Over is as crisp and to-the-point as a thriller can get.
"[14] Priyanka Sinha Jha of News18 rates it with three and half stars out of five, stating the film with its paranormal-meets-noir is a good example where Indian concepts are combined with western.
[15] Writing for NDTV Saibal Chatterjee terming screenplay "smart and minimalist", praises the director for his deft handling of the execution and Pannu for her characterisation of the role.
He concludes the review as, "While she [Pannu] may be the primary reason why you must go out and watch this film, it certainly isn't devoid of other intrinsic merits in terms of substance and execution."
[16] Raja Sen writing a mixed review for Hindustan Times rated the film with two and half stars out of five and finds, 'Pannu strong in a hysterically distraught role' and Vinodhini Vaidyanathan 'wonderfully warm'.
She says, "There are a couple of genuinely scary moments, but the rest of it is too stretched: even the 102 minute run time feels too long, with not enough thrills or chills.