You could start by looking on popular fanfiction websites such as Archive of Our Own (AO3). It has a vast collection of fan - made stories from various fandoms, and there's a good chance you'll find some 'got gamer fanfiction' there if it exists in a significant quantity.
Fanfiction.net is also a great place to search. There are thousands of stories uploaded by fans, and they have a tagging system. Try searching for relevant tags like 'gamer' and any related game names that might be associated with 'got'. Maybe also check for any specific communities or groups on social media platforms dedicated to the kind of games or concepts related to this 'got gamer fanfiction'.
Chapter 327, "Official Announcement Entering the Circle!", is the clearest early answer because it pushes Shen Lan into a new phase or setting. The chapter turns that into something concrete by moving from Three hours later, the shoot was over, and Shen Lan personally picked...
Chapter 175, "He Tampered with the Food", is the clearest early answer because it turns Su Yinwan's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Wen Jiaojiao's eyes nearly rolled back into her head. and follows through with He couldn't say anything;
Chapter 168, "Gu Family in the Capital", is the clearest early answer because it turns Shang Shaojing's situation into a concrete plot event.
Chapter 345, "Mirror Valley Defense Commander Luo Ming, Beast Tide, Great Xia's 6 Armies (Part 2)", is the clearest early answer because it turns Mirror Valley Defense's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Last June, Luo Ming led his team in Arrow Bamboo Forest to... and follows through with Now excluding the eight districts within Xia City, there are 26....
Chapter 65, "Jiang Li Missing?!", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event. It opens with Several minutes later, the room remained silent. and closes on What's the deal with these two?.
Chapter 335, "Songyang Ridge, Seven Houses Surrender, First Batch of Silver Arrives", is the clearest early answer because it pushes Songyang Ridge into a new phase or setting. A useful checkpoint is the way the scene starts with The name "Songyang Ridge" was not given by Xu Ning; he discovered... and follows through with If Great Xia offers no conditions, we....
Chapter 69, "Received Two Advertisements on the First Day", is the clearest early answer because it turns Brother Yan's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Since the phones issued by the program team couldn't log into Weibo,...
Chapter 182, "Director Sun Still Knows How to Stir Things Up", is the clearest early answer because it turns Brother Shaojing's situation into a concrete plot event.
Chapter 149, "Director Zhang, I heard you've encountered some troubles lately", is the clearest early answer because it turns Zhang's situation into a concrete plot event. Early on, Seeing that Zhang Cheng's glass was nearly empty, Du Qinglian....
Chapter 338, "The Adulterer is Far on the Horizon, Yet Close Before the Eyes", is the clearest early answer because it turns Taishi Chair's situation into a concrete plot event. Early on, Tang Jinyu, dressed in a light apricot Cheongsam, sat indifferently....