Hello there,

I found a bug: If you control a card that says you can't lose the duel, there are two ways to bypass it:
1. Exodia and other effects will still make you lose the duel.
2. Tremendous Fire will kill you if you have 500 (or 1000, depending on the effect) or less life points, no matter the effect.

I wanted to know if there is any way to fix it...

MfG
VB99

no there isnt atm there no way to code that cant lose effect we just makedo with what we can do

As there are limited cards that give people instant win, would be the following possible?
Opponents...
...Vennominaga and Number 88 can't gain counters.
...Horakhey cannot be summoned.
...Exodius can't send Exodia to the graveyard (and Exodia get's shuffeled into the deck if it was sent there before the card has been played).
...Exodia has no effect (turns into a normal monster?) after being send to the hand by all means, before it's effect triggers.
...The effects of Deuce, Last Turn, Tremendous Fire and Destiny Board are negated.
...Final Countdown doesn't advance.
As long as the card remains on the field?

MfG
VB99

EDIT: Or maybe something like Exodia get's banished and is unaffected by all card effect's as long as the card that prohibits loosing remains on the field?

Some are possible but not all

Which aren't possible?
I mean, Exodia, Final Countdown, Deuce, Last Turn and Horakhey are the main issues when it comes to those effects. If only these would be stopped, that would enough (maybe insta-destroy Disaster Leo if it ever makes it into the game).

I think Exodia should be possible, at least the second solution (banishing it and making it unaffected by all other cards, shuffeling it into the deck if the card is removed from the field).
Horakhey... maybe some modified version of "Prohibition"?
Last turn should be negateable and Deuce.

But how to beat final countdown?
Maybe you can create some kind of reverse Pyro Clock of Destiny...

Then it would act like this:
Exodia get's removed: Trigger, then permanent (so that cards like "Knight of Destiny" can save you 1 round)
Horakhey: Permanent
Last Turn: Forced Trigger whenever Last Turn is activated
Deuce: Permanent
Final Countdown: At the beginning of the end phase.

MfG
VB99

EDIT: Maybe some kind of effect that turns Final Countdowns e1:SetCountLimit(1) to e1:SetCountLimit(0)?