It's really really bad to lose players in the loading screen before they even enter the game. 
Technically we should optimize our system to reduce the loading time, and I know it's very expensive. 
As a designer, I wanna help by figuring out ways to make players FEEL the loading time is shorter. 

1. Animate the loading screen
eg. loading background, loading bar, or new animated element 
--> Never make players feel the screen is frozen
​--> Add something fun for players to look at
​

In MarioKart, the loading bar is made of clip arts of game characters. The characters scroll from right to left with a cute bouncing animation which makes the waiting feel less boring. 

In Onmyoji, there's a little character hops together with the loading bar. It's a good character aspiration and also cheap to implement. (2-5 frames animation)

2. Smooth the loading animation
--> eg. ease in and ease out. Make the loading feels less buggy

"Fake" the loading animation a little bit if necessary.
​--> Stuck at 90% feels less painful than stuck at 20%
for example, if your average loading time is 6 - 15s. You can "fake" the animation as:
it always take the app 1s to load from 0 to 50%, and 2s from 50% to 90%, then 20 s from 90% to 100%.
Whenever the actual loading progress exceeds the fake progress, take the real one.


3. Make sure the assets are cheap so they can fit into the bundle.

Keep as many players as possible in the game experience is very important for tutorial design. It's very important to have a seamless experience to keep players engaged. Here's a simple case study of Hearthstone's tutorial transitions:

Diablo III is an action role-playing video game developed and published by Blizzard Entertainment. It was one of the most exciting and visceral action role-playing games in recent memory.
​
As far as I understand, visceral player actions are primitive, natural, and come from players’ internal desires without much thinking. Visceral player actions usually provide in deep, cutting, and inwardly satisfying feelings for players. When I was playing Diablo III, I found many of my operative actions came from raw emotions and brought strong feeling of satisfaction. In this section, I’m going to identify and define the components that create that polished game feel. (I’ll only discuss about the PC version since I haven’t played the console version yet.)

Here are some thoughts of how to design interesting characters for MOBA game. I'm very into this kind of games, welcome to discuss with me ヽ(✿ﾟ▽ﾟ)ノ

Clash Royale is a real-time multiplayer strategy mobile game developed by Supercell. It’s a hybrid of CCG and tower defense. Players can collect cards and duel players in real time in the arena. I would like to talk about the community system that fosters meaningful connections between players.

​PABO is a physics-based puzzle game for casual gamer.  ​I started this project with Tenghao Wang, Zongye Yang and Shengze Zhang for Global Game Jam (GGJ) 2015. Together we created a 3­level prototype for PC in 48 hours based on the theme “What do we do now”. ​
Here is the post-mortem I wrote for this very firt version. Later, we have a lot iterations and published to the App store and the Windows store. I'll keep updating the progress.

​Lessons Learned:
1. Make our guests comfortable
     - Children-friendly vocabulary
2. Ask more helpful questions
    - Give choices for questions
3. How to Collect data
     - Separated roles for notetakers
4. How to test when you have incomplete build
     - Paper prototypes!
5. Sometimes we need to change the playetest midway
     - Improvise