Any machine designed to put the ball back into play with a nudge.
Indiana Jones: The Pinball Adventure Pirates of the Caribbean
Are you counting the targets in the outlane on Wizard of Oz ?

No SS will compare to Ice Show

Flash Gordon, when the ball is on the upper playfield you MUST nudge

I developed nudging skills on Flying Carpet - it has four exit lanes at the bottom of the playfield instead of return lanes, a wide flipper gap and tall triangular shapes that make it difficult to trap. Good nudging is imperative.

I know you mentioned SS era, but if you are looking for something a bit more modern, Wheel of Fortune is an awesome nudging machine. You can make some crazy saves and manipulating the ball into the correct lane is a huge part of the game. I really wish more modern machines would experiment with the flipper area like they did in the EM era.

Can't say I've had different nudging experiences on different tables. Nudging is nudging. Part of the game.

Tna!

Jumping Jack is the game that really helped heighten my awareness of how important nudging is, and how much you can affect the ball PRIOR to it entering "The Danger Zone" As far as SS goes all my outlanes are factory middle settings so the drains are all pretty even. I find that Godzilla gives me more practice in nudging in areas other than the outlanes more than any of my other games. The pop bumper/scoop and the return feed from a missed loop or half ramp for example.

Agree 100%, unfortunately I'd bet there will never be another pinball machine produced with a non standard flipper setup

There's Cirqus Voltaire, with the low in/outlane divider for plenty of room to nudge there. I always liked that. In fact when it came out some people were guessing that would become the new standard.

Centaur has some good nudging/slapping opportunities in the outlanes. If you want to go to the EM era Spanish Eyes is a great one. If you are skilled at nudging you can get some fun middle pop saves.

When the flipper melted on my Sorcerer, I gave a few quick lessons in nudging. Was able to play for 15 minutes with only the left flippers and nudging. Amazed myself with how well it went!

It was freakin’ awesome. I heard of elite pinball players disabling flippers on modern games in order to master nudging. You get really good, really fast when you can’t use flippers!!

Best nudging games are the Bally’s with reverse in-lanes. Hollywood Heat also features a very nudgeable dual outlane

I love to nudge and bang Taxi around.

Centaur
"Bad move human"

You are probably correct, unfortunately. One thought I just had is the P3 system. The flippers/slings are a module, which pulls out super easily. It would be awesome if they would release a different flipper module with an old school, EM style layout. Drained would have been a perfect opportunity to pull off something like that!
gstellenberg , bingopodcast - a crazy idea for you guys to think about for future fun! (which I'm sure you have already pondered...LOL)

I'm thinking bk2k for the top PF.

Forward nudge for Viking and STTNG for outlane saves.

Side-nudges for all classic Sterns on the outlanes.. even to the point of rebounding the ball out.. lol

Rollover areas of EMs for general play and scoring.

Many DE titles if you want to be rewarded for a death save.. lol

Egg Head???

Black Night 2000 learned to bounce ball over war targets to get ball back to upper flipper. Then trying to stay alive when shooting on the lower. Great game music is an ear worm too! Sold mine long ago would buy another if one comes up reasonable. Set tilt loose to learn how to shake machine then work at nuance and tighten tilt as you get better. Nudging is huge part of playing.

Drained was designed specifically with the geometry of the default flipper/sling assembly in mind, but stay tuned for future games from FAO Games - there might be alternate geometry or flipper assemblies. I'm always thinking about ways to utilize the flexibility that the P3 offers a designer. I've already done a quick cost analysis for some ideas, so you're correct, already pondered!

Galaxy is great for learning how to get sideways movement under control. The double inlane rubbers often bounce the ball back towards the other side, so you can nudge vertically to get the ball to drop into the opposing inlanes.