Sims 1 vs Sims 2 vs Sims 3 vs Sims 4 - Swimming Pool
The Sims -
In the Sims 1, a sim can get in a pool by using a pool ladder, a water slide or a diving board. There are few ways they can go down the water slide. Diving boards are also available and there are few ways they can dive in. Sims sometimes chicken out on the diving board and change their mind about diving. The only way a sim can get out of the pool is by using a ladder.
The Sims 2
In the sims 2, a sim can get in a pool by using a pool ladder, a water slide, a diving board or re-enter by jumping when playing Marco Polo
Water slides are also available In The Sims 2. And There are variety of ways sims can go down the slide.
Diving boards are also available In The Sims 2. Generally, sims who have low Body skill or shy sims may tremble on the diving board. and change their mind.
Aside from swimming, sims can also float on their back and play Marco Polo. The Sims 2 is the only Sims game with proper water physics. The only way a sim can get out of the swimming pool is by using a ladder. No ladder = Grim Reaper.
The Sims 3
In The Sims 3 there is no need of a pool ladder for Sims to get in the pool. You can use one or jump straight in the pool. Diving boards are also available in The Sims 3, as well as water slides. Besides swimming, your sim can also snorkel, hold breath contests, lounge in the pool, and believe it or not, Fish.
There are also intractable waterfalls and pool bars. The Sims 3 doesn't have proper water physics.
The Sims 4
Swimming pools did not initially appear in The Sims 4 base game, they were added later. Like in the Sims 3, in The Sims 4 pool ladder is not necessary for Sims to get in or out of the pool. There are no water slides or diving boards in The Sims 4. There is something called a diving platform. Sims can swim laps, back float, lounge, sit on the edge of the pool, splash other sims, socialize in the pool and many more things. The Sims 4 doesn't have proper water physics.