Before to start I want to point another little problem with the NPC hitboxes. I appreciate a lot the fact this was fixed, now the gameplay is much better! however, there's only something kinda wrong that could be improved:
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The pink part won't hurt the player and the green part will do (like I point before), this is ok, but I also noticed in SMBX 1.3 the player can stomp the enemy in the green part and in the pink part (the normal size of the enemy). I mean, instead make an enemy only stompable from the top, it should be stompable in the green part too. :) this what I mean:
SMBX 1.3
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SMBX 1.4
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Now let's begin
1.) SMB1 polleys are too fast, they should descend a bit slower.
2.) SMB1 flagpole:
- It should stop the music in the moment the player touch it, but currently, it only stops the music when the player stopped to slide, which causes a little SFX glitch (this is easy to fix through events so isn't very important).
3.) SMB2 Veggies:
- This is not a problem but would be a nice feature if you could grab the SMB2 veggies that are falling from any side instead only from the lateral sides (like in SMBX 1.3), this would be very useful in SMB2 bosses.
In SMBX 1.4.3:- Spoiler

In SMBX 1.3:- Spoiler

- Sometimes while a veggie is falling, the player can stand on it, it's a bit weird (not important problem)
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4.) SMB2 thing:
- (I don't remember the name of this enemy) When you through it, the physics of this NPC will be kinda buggy. Also seems once the player grab it, it will be available to climb the tree again (which shoudn't happen):
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5.) SMB3 Big hammer bro:
- When he falls hard, will produce a little tremor leaving the player inmovil, that's fine, but I thought would be better if the player also can't move horizontally, like in the original SMB3. Also the time the player can move after the little tremor could be a little shorter to polish it more.
6.) Two burieds at the same time? (this also happens with Link)
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- Stand at the center of the two burieds and grab the buried as usually, but in the instant the player is grabing the burieds unpress "run" key as soon as possible. If you keep pressing this they it won't work.
To replicate this bug:
7.) SMW rainbow koopa:
- When you hit it with the tail of the Raccoon/Tanooki Suit, the NPC shoud be replaced with the upside-down rainbow shell instead die (this happens in SMBX 1.3)
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8.) The koopas out of the shell, there are three problems with them:
- The things are kinda hard to explain here... when the koopa leave its shell, and its on this form, It should fall of the edges and don't hurt the player (the player should be abke to kill it with a single touch too), but when the enemy stand again he shouldn't fall of the edges (unless it's the green koopa) and should hurt the player again. Here's a little comparison:
SMBX 1.4.3:- Spoiler


SMBX 1.3/SMW:- Spoiler


They has incorrect graphics.
They should have these:- Spoiler

Instead these:
Here's the download link of the right graphics, hopefully they be included by SMBX 1.4 by default at some point. :P
9.) The speed of the animations of the trampolines (all) should be faster. The current framespeed is 4 and it should be 2 (this can't be changed by CNPC codes)
10.) Exits:
- The SMB3 Roulette exit, the SMB1 flagpole and the SMW exit don't hide at all the player, you still can see a little part of them (I was mounting in Yoshi with raccoon Mario, I think that's the widest graphic):
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11.) The SMW paragoomba has wrong animations. The wings frames moves depending if it's jumping or not, also when it makes the hightest jump, it moves the wings faster.
- SMBX 1.4:
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SMBX 1.3:
12.) Giant Piranha Plant:
- When the player hurt them they have wrong effects. The effects are like small piranha plants, that's probably the problem. There's an effect which always appear at the center of the plant, when it should appear in the part where it got damage. I also noticed if you hurt the plant too fast it will ignore some hits, I think after it got a hit it has 1 second of inmunity, this doesn't happen in SMBX 1.3, the piranha plant can get always damage (except if you threw a veggie, in that case it only could get 1 hit per veggie to avoid glitches). Finally when it die, it should produce the effect-10 for all the body of the piranha plant, instead one effect-75 at the center.
SMBX 1.3- Spoiler

SMBX 1.4- Spoiler

13.) Yoshis (a suggestion to polish them more)
- When Yoshi appears from an egg (like for example I hit a block and Yoshi was the item on that block), it will produce the following SFX: "Yoshi egg" and later "Smash". It would be more polished if it produce these effects: "Yoshi egg" and later "Yoshi", like in SMW/SMBX 1.3. :)
- Yoshi can splint enemies he recently ate? I will explain this with a video (please listen the SFX and watch the animations carefully):
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-
Original link: https://vimeo.com/181847823
14.) Blaarg makes cut-off:
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15.) If you hit a block while the time is frozen, when the frozen effect happens you can't hit that block again, it become indestructible and immune to hit effects. This happens with ALL blocks.
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