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Anything from the author Er Gen is a safe bet. The only reason I even read these novels is because I got sucked in reading his book I Shall Seal the Heavens. Here is a list of the stories I am currently reading on this site:
Pursuit of Truth - Written by Er Gen before he started I Shall Seal the Heavens, follows a man who becomes a devil for the sake of his family
The Portal of Wonderland - Love the effort the author puts into developing the world
The Avalon of Five Elements - Great characters, world, and I love how the main character is always thrown back down as soon as he gets too overpowered. I like how the author sprinkles in humor every now and then too
Village Girl as Family Head - Bit of a curve-ball, a romance with a unique concept, great start, wish it was updated more
Release that Witch - I liked the idea of a powerless main character stuck in a world of magic, it makes for a very unique and interesting story

There are some other sites that host novels like the ones found on this site that are worth taking a look at too if you like what you find here. The best way to check out any translated webnovel is to go to Novel Updates. There you will find links to almost all Chinese, Japanese, and Korean novels currently being translated online. Here are a few of my other favorite Chinese stories:
Warlock of the Magus World - One of the few good stories to have the bad guy as the main character
I Shall Seal the Heavens - Very compelling main character, epic story, and a decent amount of humor
Renegade Immortal - Another Er Gen novel, again big fan of his, cannot emphasize enough how epic his stories are
A Will Eternal - Er Gen's newest novel where he tried to do way more humor, I will shut up about him now
A Record of a Mortal's Journey to Immortality - Same author as The Portal of Wonderland if that story interests you
Deamon's Diary - Also from the same guy that wrote The Portal of Wonderland
World of Cultivation - Same author as The Avalon of Five Elements, very well written characters
Divine Throne of Primordial Blood - The fact that the main character is blind got me hooked

For Japanese novels, I'll be honest, I have not finished or kept up with any of these, though I got pretty far in most of them. They were all pretty much manga that I didn't want to wait for their translations, so I went to the source material. They ended up being not my cup of tea, but maybe they will be yours. I just got bunch of video game rule stories about low level monsters getting OP and two other video game logic stories:
Tensei Shitara Slime Datta Ken - A story about a slime turned Demon Lord.
Re:Monster - A story about a goblin turned ogre god. (This one gave me a little bit of a rapey harem vibe. Not my thing; still, very popular novel.)
Kumo Desu ga, Nani ka? - A story about a spider turned god.
The Rise of the Shield Hero - Gets summoned to a world as a hero, but the only weapon he can use is a shield, and everyone in the new world hates his guts. Becomes anti-hero.
The New Gate - Guy gets stuck in a video-game where when you die, you die for realsies. He beats the game, and then the story picks up 500 years later in the game world, only it is not a game anymore, but a real world with living, self-aware characters. He goes around trying to find his NPC friends (now living, breathing people with hopes and dreams) to try and find a way home.

For Korean stories there is a little more variation, but there is still an overabundance of video game logic in webnovels these days. I still keep up with all of these, except for The Legendary Moonlight Sculptor because it is super long and the translation teams keep dropping it and leaving it for someone else to pick up:
Praise the Orc - Another gaming story, this one with an honorable, manly Orc.
The Legendary Moonlight Sculptor - Video game story, the main character's profession in the game is sculptor, hijinks ensue.
I Reincarnated For Nothing - Not a video game story strictly speaking, but uses video game logic. One of the Demon Lord's generals gets reborn as a hero alongside a younger version of the female hero that he died fighting and decides to help her out.
Dragon Maken War - Surprisingly not a video game logic story. The hero of a massive war against ... Dragon Demons? ... wakes up 200 years later to find everything has gone to hell.
The Book Eating Magician - Run of the mill terrible magician gets cheat powers and climbs the ranks in the military story. Warning, this one is kinda a harem XP

Last recommendation is a shameless plug for my own webnovel :D I try to post a new chapter everyday. I have a thread going somewhere on the forum that I post on every time I have an update.
Vindicator's Wrath - Cultivation novel, badass female MC, and a promise that plot will never take a backseat to romance like every other female MC novel on this site.

-CN novel

1. Chronicles of Primordial Wars (4.5)
   https://lesyt.xyz/novel/copw

2. The Human Emperor (4.4)
   http://gravitytales.com/novel/the-records-of-the-human-emperor

3. Pivot of the Sky (4.5)
   http://www.radianttranslations.com/pivot-of-the-sky/

4. Star Rank Hunter (4.3)
   http://volarenovels.com/star-rank-hunter/

More info visit Novelupdates.com